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19 tháng 11 2023

Mình ko thấy câu hỏi b ưi

18 tháng 6

Sinh Viên NEU cứ vào phần màu vàng là thấy

Hãy chọn câu trả lời đúng cho các câu sau:1.     My father ___________a teacher. He works in a hospital.A.     Is                     B. isn’t                                   C. are                         D. aren’t2.     I ___________rock music but my brothers don’t like it.A.     Likes               B. likes                       C. don’t like              D. doesn’t like3.     Workers always ___________helmet for safety reason.A.     Wears                        B....
Đọc tiếp

Hãy chọn câu trả lời đúng cho các câu sau:

1.     My father ___________a teacher. He works in a hospital.

A.     Is                     B. isn’t                                   C. are                         D. aren’t

2.     I ___________rock music but my brothers don’t like it.

A.     Likes               B. likes                       C. don’t like              D. doesn’t like

3.     Workers always ___________helmet for safety reason.

A.     Wears                        B. wear                      C. don’t wear                        D. doesn’t wear

4.     I don’t like chocolate. I ___________eat it.

A.     Never             B. often                     C. always                   D. usually

5.     My classmates ___________lazy. They always do their homework.

A.     Are                 B. is                             C. aren’t                    D. isn’t

6.     My grandfather___________fishing very often

A.     Goes              B. go                           C. don’t go                D. is

7.     ___________tidy your room?

A.     How often are you?

B.     How often do you?

C.     How often you

D.    How often does you

8.     Ms Thuy water the trees ___________a week.

A.     Once              B. one                        C. two                        D. one time

9.     What ___________your nationality? I am Vietnamese.

A.     Is                     B. are                         C. do                          D. does

10. I really love making models and my brother ___________it too.

A.     Love               B. loves                      C. don’t love             D. doesn’t love

11. The Smiths never___________to their neighbors

A.     Talk                 B. talks                       C. don’t talk              D. doesn’t talk

12. My sister ___________ how to swim.

A.     Don’t know  B. doesn’t know      C.don’t knows         D. not know.

13. My teacher ___________ very kind. We really like her.

A.     Is                     B. isn’t                       C. are                         D. aren’t

14. Sometimes a rainbow___________ after the rain.

A.     Appear          B.appears                 C. not appear                       D. doesn’t appears

15. The train ___________at 6 am tomorrow.

A.     Leaves           B. leave                      C. is leave                  D. don’t leave

3

2- đề hình như lỗi

4 tháng 9 2021

Hãy chọn câu trả lời đúng cho các câu sau:

1.     My father ___________a teacher. He works in a hospital.

A.     Is                     B. isn’t                                   C. are                         D. aren’t

2.     I ___________rock music but my brothers don’t like it.

A.     Like               B. likes                       C. don’t like              D. doesn’t like

3.     Workers always ___________helmet for safety reason.

A.     Wears                        B. wear                      C. don’t wear                        D. doesn’t wear

4.     I don’t like chocolate. I ___________eat it.

A.     Never             B. often                     C. always                   D. usually

5.     My classmates ___________lazy. They always do their homework.

A.     Are                 B. is                             C. aren’t                    D. isn’t

6.     My grandfather___________fishing very often

A.     Goes              B. go                           C. don’t go                D. is

7.     ___________tidy your room?

A.     How often are you?

B.     How often do you?

C.     How often you

D.    How often does you

8.     Ms Thuy water the trees ___________a week.

A.     Once              B. one                        C. two                        D. one time

9.     What ___________your nationality? I am Vietnamese.

A.     Is                     B. are                         C. do                          D. does

10. I really love making models and my brother ___________it too.

A.     Love               B. loves                      C. don’t love             D. doesn’t love

11. The Smiths never___________to their neighbors

A.     Talk                 B. talks                       C. don’t talk              D. doesn’t talk

12. My sister ___________ how to swim.

A.     Don’t know  B. doesn’t know      C.don’t knows         D. not know.

13. My teacher ___________ very kind. We really like her.

A.     Is                     B. isn’t                       C. are                         D. aren’t

14. Sometimes a rainbow___________ after the rain.

A.     Appear          B.appears                 C. not appear                       D. doesn’t appears

15. The train ___________at 6 am tomorrow.

A.     Leaves           B. leave                      C. is leave                  D. don’t leave

3 tháng 1 2020

Đáp án:  C

Bài tập 3: Chọn câu trả lời đúng nhất         1. We couldn’t sleep last night_________the noise next door.      A. although                         B. since                           C. because                    D. because of2. I did it_________they asked me to.      A. so                                   B. because                       C. because of                D. the reason3. Daisy was late_________her car was broken down.      A. because                          B. because...
Đọc tiếp

Bài tập 3: Chọn câu trả lời đúng nhất

         1. We couldn’t sleep last night_________the noise next door.

      A. although                         B. since                           C. because                    D. because of

2. I did it_________they asked me to.

      A. so                                   B. because                       C. because of                D. the reason

3. Daisy was late_________her car was broken down.

      A. because                          B. because of                   C. if                              D. whether

4. _________he can’t afford a car, he goes to work by bicycle.

      A. because                          B. as                                C. since                        D. all are correct

5. They were sacked_________their carelessness.

      A. because                          B. because of                   C. although                   D. despite

6. The boys were punished_________they went to school late.

      A. because                          B. because of                   C. although                   D. despite

7. The mother got angry because_________.

      A. her son’s bad behaviour                                         B. her son will behave badly

      C. her son behaved badly                                           D. her son bad behaing

8. He lost his job_________his laziness.

      A. because                          B. because of                   C. if                              D. although

1
24 tháng 11 2021

Bài tập 3: Chọn câu trả lời đúng nhất

         1. We couldn’t sleep last night_________the noise next door.

      A. although                         B. since                           C. because                    D. because of

2. I did it_________they asked me to.

      A. so                                   B. because                       C. because of                D. the reason

3. Daisy was late_________her car was broken down.

      A. because                          B. because of                   C. if                              D. whether

4. _________he can’t afford a car, he goes to work by bicycle.

      A. because                          B. as                                C. since                        D. all are correct

5. They were sacked_________their carelessness.

      A. because                          B. because of                   C. although                   D. despite

6. The boys were punished_________they went to school late.

      A. because                          B. because of                   C. although                   D. despite

7. The mother got angry because_________.

      A. her son’s bad behaviour                                         B. her son will behave badly

      C. her son behaved badly                                           D. her son bad behaing

8. He lost his job_________his laziness.

 

      A. because                          B. because of                   C. if                              D. although

Bài tập 2: Chọn câu trả lời đúng      1. I’m not sure. I ___________ come a few minutes late.            A. may                          B. must                             C. mustn’t                          D. needn’t      2. Bring your umbrella. It ___________ rain later today.            A. must                         B. may                              C. mustn’t                          D. needn’t      3. “What are you doing this weekend?”            “I haven’t decided yet. I...
Đọc tiếp

Bài tập 2: Chọn câu trả lời đúng

      1. I’m not sure. I ___________ come a few minutes late.

            A. may                          B. must                             C. mustn’t                          D. needn’t

      2. Bring your umbrella. It ___________ rain later today.

            A. must                         B. may                              C. mustn’t                          D. needn’t

      3. “What are you doing this weekend?”

            “I haven’t decided yet. I ___________ go on a picnic with my family.”

            A. may                          B. may not                        C. must                             D. needn’t

      4. “I didn’t have time for breakfast this morning.”

            “You ____________ be very hungry now.”

            A. might                        B. may                              C.  mustn’t                         D. must

      5. It’s quite urgent. You ___________ type the reports today.

            A. must                         B. might                            C. needn’t                          D. would

      6. Don’t worry if you’re a minute or two late. We ___________ be exactly on time for the meeting.

            A. must                         B. mustn’t                          C. needn’t                          D. may

      7. Jane’s glasses are on the desk, so she ___________ be here.

            A. must                         B. shall                              C. ought                            D. will

      8. The gas tank is almost empty. We ______________ stop at the next service station.

            A. mustn’t                      B. might                            C. needn’t                          D. had better

      9. A person ______________ eat in order to live.

            A. have to                     B. must                             C. should                           D. may

      10. A person ____________ eat a balanced diet.

            A. should                       B. ought                            C. may                              D. must

      11. I don’t have enough money to take the bus, so I ______________ walk home.

            A. should                       B. mustn’t                          C. have to                         D. needn’t

      12. You ______________ eat these mushrooms. They are very poisonous.

            A. needn’t                      B. can’t                             C. mustn’t                          D. won’t

      13. I can’t find my umbrella. I _____________ it in the restaurant last night.

            A. must have left            B. had left                         C. left                                D. might leave

      14. I had a test this morning. I didn’t do it well. I ______________ last night.

            A. should study              B. must have studied          C. should have studied        D. must study

      15. Tom goes to school very often, but he was absent yesterday. He ______________ ill.

            A. must be                     B. must have been             C. might be                        D. might have been.

 

 

0
Bài tập 2: Chọn câu trả lời đúng      1. I’m not sure. I ___________ come a few minutes late.            A. may                          B. must                            C. mustn’t                        D. needn’t      2. Bring your umbrella. It ___________ rain later today.            A. must                        B. may                              C. mustn’t                        D. needn’t      3. “What are you doing this weekend?”            “I haven’t decided yet. I...
Đọc tiếp

Bài tập 2: Chọn câu trả lời đúng

      1. I’m not sure. I ___________ come a few minutes late.

            A. may                          B. must                            C. mustn’t                        D. needn’t

      2. Bring your umbrella. It ___________ rain later today.

            A. must                        B. may                              C. mustn’t                        D. needn’t

      3. “What are you doing this weekend?”

            “I haven’t decided yet. I ___________ go on a picnic with my family.”

            A. may                          B. may not                        C. must                            D. needn’t

      4. “I didn’t have time for breakfast this morning.”

            “You ____________ be very hungry now.”

            A. might                       B. may                              C.  mustn’t                       D. must

      5. It’s quite urgent. You ___________ type the reports today.

            A. must                        B. might                           C. needn’t                         D. would

      6. Don’t worry if you’re a minute or two late. We ___________ be exactly on time for the meeting.

            A. must                        B. mustn’t                        C. needn’t                         D. may

      7. Jane’s glasses are on the desk, so she ___________ be here.

            A. must                        B. shall                             C. ought                           D. will

      8. The gas tank is almost empty. We ______________ stop at the next service station.

            A. mustn’t                    B. might                           C. needn’t                         D. had better

      9. A person ______________ eat in order to live.

            A. have to                     B. must                            C. should                          D. may

      10. A person ____________ eat a balanced diet.

            A. should                      B. ought                           C. may                              D. must

      11. I don’t have enough money to take the bus, so I ______________ walk home.

            A. should                      B. mustn’t                        C. have to                         D. needn’t

      12. You ______________ eat these mushrooms. They are very poisonous.

            A. needn’t                     B. can’t                             C. mustn’t                        D. won’t

      13. I can’t find my umbrella. I _____________ it in the restaurant last night.

            A. must have left          B. had left                         C. left                               D. might leave

      14. I had a test this morning. I didn’t do it well. I ______________ last night.

            A. should study             B. must have studied        C. should have studied      D. must study

      15. Tom goes to school very often, but he was absent yesterday. He ______________ ill.

            A. must be                    B. must have been            C. might be                       D. might have been.

1
24 tháng 11 2021

Bài tập 2: Chọn câu trả lời đúng

      1. I’m not sure. I ___________ come a few minutes late.

            A. may                          B. must                            C. mustn’t                        D. needn’t

      2. Bring your umbrella. It ___________ rain later today.

            A. must                        B. may                              C. mustn’t                        D. needn’t

      3. “What are you doing this weekend?”

            “I haven’t decided yet. I ___________ go on a picnic with my family.”

            A. may                          B. may not                        C. must                            D. needn’t

      4. “I didn’t have time for breakfast this morning.”

            “You ____________ be very hungry now.”

            A. might                       B. may                              C.  mustn’t                       D. must

      5. It’s quite urgent. You ___________ type the reports today.

            A. must                        B. might                           C. needn’t                         D. would

      6. Don’t worry if you’re a minute or two late. We ___________ be exactly on time for the meeting.

            A. must                        B. mustn’t                        C. needn’t                         D. may

      7. Jane’s glasses are on the desk, so she ___________ be here.

            A. must                        B. shall                             C. ought                           D. will

      8. The gas tank is almost empty. We ______________ stop at the next service station.

            A. mustn’t                    B. might                           C. needn’t                         D. had better

      9. A person ______________ eat in order to live.

            A. have to                     B. must                            C. should                          D. may

      10. A person ____________ eat a balanced diet.

            A. should                      B. ought                           C. may                              D. must

      11. I don’t have enough money to take the bus, so I ______________ walk home.

            A. should                      B. mustn’t                        C. have to                         D. needn’t

      12. You ______________ eat these mushrooms. They are very poisonous.

            A. needn’t                     B. can’t                             C. mustn’t                        D. won’t

      13. I can’t find my umbrella. I _____________ it in the restaurant last night.

            A. must have left          B. had left                         C. left                               D. might leave

      14. I had a test this morning. I didn’t do it well. I ______________ last night.

            A. should study             B. must have studied        C. should have studied      D. must study

      15. Tom goes to school very often, but he was absent yesterday. He ______________ ill.

            A. must be                    B. must have been            C. might be                       D. might have

Bài tập 2: Chọn câu trả lời đúng nhất:1. _______________ he had enough money, he refused to buy a new car.               A. In spite                           B. In spite of                    C. Despite                    D. Although2. _______________, he walked to the station.               A. Despite being tired          B. Although to be tired     C. In spite being tired    D. Despite tired3. She left him _______________ she still loved him.               A. even if...
Đọc tiếp

Bài tập 2: Chọn câu trả lời đúng nhất:

1. _______________ he had enough money, he refused to buy a new car.

               A. In spite                           B. In spite of                    C. Despite                    D. Although

2. _______________, he walked to the station.

               A. Despite being tired          B. Although to be tired     C. In spite being tired    D. Despite tired

3. She left him _______________ she still loved him.

               A. even if                            B. even though                C. in spite of                 D. despite

4. ________________ her lack of hard work, she was promoted.

               A. Because                         B. Even though                C. In spite of                D. Despite of

5. _______________ they are twin brothers, they do not look like.

               A. Although                        B. Because of                   C. Because                   D. In spite of

6. Julie failed the exam _______________ of working very hard.

               A. despite                           B. in spite                        C. even if                     D. though

7. She walked home by herself _______________ she knew that it was dangerous.

               A. if                                    B. though                        C. because                   D. which

8. ______ they are brothers, they do not look like.

               A. Although                        B. Even                           C. Despite                     D. In spite of

         9. She left him ______ she still loved him.

               A. in spite                           B. even though                C. in spite of                 D. despite

         10. He refused to give up work, _________ he’s won a million pounds.

               A. despite                           B. however                      C. even though             D. as though

1
24 tháng 11 2021

1. D  2. A  3. B   4.C   5.A    6. B   7. B   8. A   9. B   10. C

25 tháng 11 2021

well done!

4 tháng 9 2016

Câu hỏi của hyduyGF - Tiếng anh lớp 7 | Học trực tuyến

4 tháng 9 2016

Vì sao chọn D. Các câu A,B,C đều là các câu dùng trong câu tự nói (gián tiếp) còn D là nói trực tiếp (đối thoại)

III. Hãy chọn câu trả lời đúng cho các câu sau:1. The Japanese eat a lot of rice, _______ they eat a lot of fish too.A. and         B. but          C. or    D. so2. You should eat _______ junk food and _______ vegetables.A.               A. more /less         B. less /less           C. more /more       D. less/more 3. If you feel tired, _______ .A. sleep more                           B. do more exercise        C. sunbath more                       D. wash your hands regularly4. I don’t...
Đọc tiếp

III. Hãy chọn câu trả lời đúng cho các câu sau:

1. The Japanese eat a lot of rice, _______ they eat a lot of fish too.

A. and         B. but          C. or    D. so

2. You should eat _______ junk food and _______ vegetables.

A.               A. more /less         B. less /less           C. more /more       D. less/more 

3. If you feel tired, _______ .

A. sleep more                           B. do more exercise       

C. sunbath more                       D. wash your hands regularly

4. I don’t like chocolate. I ___________eat it.

A.               Never          B. often                C. always              D. usually

5. My classmates ___________lazy. They always do their homework.

A.               Are              B. is                      C. aren’t               D. isn’t

6. My grandfather___________fishing very often

A.               Goes           B. go                    C. don’t go           D. is

7. How often ___________tidy your room?

A.               are you?                B. do you?            C. you         D. does you

8. Ms Thuy water the trees ___________a week.

A.               Once           B. one                            C. two                            D. one time

9. What ___________your nationality? I am Vietnamese.

A.               Is                 B. are                    C. do                    D. does

10. I really love making models and my brother ___________it too.

A.               Love           B. loves                C. don’t love                  D. doesn’t love

11. The Smiths never___________to their neighbors

A.               Talk            B. talks                 C. don’t talk                   D. doesn’t talk

12. My sister ___________ how to swim.

A.               Don’t know          B. doesn’t know   C.don’t knows      D. not know.

13. He keeps sneezing and coughing. I think he has _______ .

B.                           A. flu          B. spot                  C. earache     D. an allergy 

14. Sometimes a rainbow___________ after the rain.

A.               Appear        B.appears              C. not appear        D. doesn’t appears

15. The train ___________at 6 am tomorrow.

A.               Leaves         B. leave                C. is leave             D. don’t leave

16. I was outside all day yesterday. I feel very hot and my face is red. I think I have ___

A. a temperature             B. sunburn  C. stomachache       D. a sore throat

!!! cần gấp !!!

 

1
16 tháng 10 2023

III. Hãy chọn câu trả lời đúng cho các câu sau:

1. The Japanese eat a lot of rice, _______ they eat a lot of fish too.

A. and         B. but          C. or    D. so

2. You should eat _______ junk food and _______ vegetables.

A.               A. more /less         B. less /less           C. more /more       D. less/more 

3. If you feel tired, _______ .

A. sleep more                           B. do more exercise       

C. sunbath more                       D. wash your hands regularly

4. I don’t like chocolate. I ___________eat it.

A.               Never          B. often                C. always              D. usually

5. My classmates ___________lazy. They always do their homework.

A.               Are              B. is                      C. aren’t               D. isn’t

6. My grandfather___________fishing very often

A.               Goes           B. go                    C. don’t go           D. is

7. How often ___________tidy your room?

A.               are you?                B. do you?            C. you         D. does you

8. Ms Thuy water the trees ___________a week.

A.               Once           B. one                            C. two                            D. one time

9. What ___________your nationality? I am Vietnamese.

A.               Is                 B. are                    C. do                    D. does

10. I really love making models and my brother ___________it too.

A.               Love           B. loves                C. don’t love                  D. doesn’t love

11. The Smiths never___________to their neighbors

A.               Talk            B. talks                 C. don’t talk                   D. doesn’t talk

12. My sister ___________ how to swim.

A.               Don’t know          B. doesn’t know   C.don’t knows      D. not know.

13. He keeps sneezing and coughing. I think he has _______ .

B.                           A. flu          B. spot                  C. earache     D. an allergy 

14. Sometimes a rainbow___________ after the rain.

A.               Appear        B.appears              C. not appear        D. doesn’t appears

15. The train ___________at 6 am tomorrow.

A.               Leaves         B. leave                C. is leave             D. don’t leave

16. I was outside all day yesterday. I feel very hot and my face is red. I think I have ___

A. a temperature             B. sunburn  C. stomachache       D. a sore throat

Chọn câu trả lời đúng nhất để điền vào chỗ 3 chấm và nếu bạn nào giỏi môn anh thì giải thích giúp mình vì sao lại chọn với ạ J :1.       Nuclear energy is … , but it is dangerous .A.      Renewable         B. non-renewable        C. natural resource          D. fossil fuel1.       fossil fuels are very common in our society but they … the environment .A.      Waste          B. pollute          C. renew          D. provide2.       All the house in our village...
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Chọn câu trả lời đúng nhất để điền vào chỗ 3 chấm và nếu bạn nào giỏi môn anh thì giải thích giúp mình vì sao lại chọn với ạ J :

1.       Nuclear energy is … , but it is dangerous .

A.      Renewable         B. non-renewable        C. natural resource          D. fossil fuel

1.       fossil fuels are very common in our society but they … the environment .

A.      Waste          B. pollute          C. renew          D. provide

2.       All the house in our village will be … by solar energy .

A.      Frozen          B. widened          C. heated          D. heightened

3.       Several governments try to … the use of fossil fuels .

A.      waste          B. save          C. reduce          D. increase

4.       at this time next week , we … a wind turbine in our garden .

A.      will installed          B. will be installing          C. install          D. installed

5.       low energy light bulbs should be used to … electricity .

A.      convert          B. save          C. spend          D. buy

6.       it is a good idea to use … when travelling long distances .

A.      private cars          B. public transport          C. cars          D. taxis

7.       “why is it called a … source ?” – “ because it can be replaced easily and quickly ”.

A.      renewable          B. non-renewable          C. effective          D. specific

8.       we must … the amount of water our family use every day .

A.      lessen          B. narrow          C. lower          D. reduce

9.       wave energy is a source of … energy .

A.      environmental friendly           B. environmentally friendliness           

C.    environment friendly                 D. environmentally friendly

11. alternative sources of energy … developed in the near future .

A. has been           B. will be          C. is          D. was

12. she … cooking in the kitchen at 7 PM tomorrow .

A. will           B. is           C. will be           D. be

13. some new energy-saving bulbs … in the dining room .

A. will be put           B. will put be           C. will put           D. will be putting

14. what should we do to … electricity ?

A. take           B. save           C. cut           D. waste

15. the wind , the sun , and the wave are some types of … sources of energy .

A. cheap           B. costly           C. changeable           D. alternative

Cảm ơn các bạn trước vì đã giúp mình nhé J

3
28 tháng 3 2021

1.       Nuclear energy is … , but it is dangerous .

A.      Renewable         B. non-renewable        C. natural resource          D. fossil fuel

1.       fossil fuels are very common in our society but they … the environment .

A.      Waste          B. pollute          C. renew          D. provide

2.       All the house in our village will be … by solar energy .

A.      Frozen          B. widened          C. heated          D. heightened

3.       Several governments try to … the use of fossil fuels .

A.      waste          B. save          C. reduce          D. increase

4.       at this time next week , we … a wind turbine in our garden .

A.      will installed          B. will be installing          C. install          D. installed

5.       low energy light bulbs should be used to … electricity .

A.      convert          B. save          C. spend          D. buy

6.       it is a good idea to use … when travelling long distances .

A.      private cars          B. public transport          C. cars          D. taxis

7.       “why is it called a … source ?” – “ because it can be replaced easily and quickly ”.

A.      renewable          B. non-renewable          C. effective          D. specific

8.       we must … the amount of water our family use every day .

A.      lessen          B. narrow          C. lower          D. reduce

9.       wave energy is a source of … energy .

A.      environmental friendly           B. environmentally friendliness           

C.    environment friendly                 D. environmentally friendly

11. alternative sources of energy … developed in the near future .

A. has been           B. will be          C. is          D. was

12. she … cooking in the kitchen at 7 PM tomorrow .

A. will           B. is           C. will be           D. be

13. some new energy-saving bulbs … in the dining room .

A. will be put           B. will put be           C. will put           D. will be putting

14. what should we do to … electricity ?

A. take           B. save           C. cut           D. waste

15. the wind , the sun , and the wave are some types of … sources of energy .

A. cheap           B. costly           C. changeable           D. alternative

28 tháng 3 2021

1.       Nuclear energy is … , but it is dangerous .

A.      Renewable         B. non-renewable        C. natural resource          D. fossil fuel

1.       fossil fuels are very common in our society but they … the environment .

A.      Waste          B. pollute          C. renew          D. provide

2.       All the house in our village will be … by solar energy .

A.      Frozen          B. widened          C. heated          D. heightened

3.       Several governments try to … the use of fossil fuels .

A.      waste          B. save          C. reduce          D. increase

4.       at this time next week , we … a wind turbine in our garden .

A.      will installed          B. will be installing          C. install          D. installed

5.       low energy light bulbs should be used to … electricity .

A.      convert          B. save          C. spend          D. buy

6.       it is a good idea to use … when travelling long distances .

A.      private cars          B. public transport          C. cars          D. taxis

7.       “why is it called a … source ?” – “ because it can be replaced easily and quickly ”.

A.      renewable          B. non-renewable          C. effective          D. specific

8.       we must … the amount of water our family use every day .

A.      lessen          B. narrow          C. lower          D. reduce

9.       wave energy is a source of … energy .

A.      environmental friendly           B. environmentally friendliness           

C.    environment friendly                 D. environmentally friendly

11. alternative sources of energy … developed in the near future .

A. has been           B. will be          C. is          D. was

12. she … cooking in the kitchen at 7 PM tomorrow .

A. will           B. is           C. will be           D. be

13. some new energy-saving bulbs … in the dining room .

A. will be put           B. will put be           C. will put           D. will be putting

14. what should we do to … electricity ?

A. take           B. save           C. cut           D. waste

15. the wind , the sun , and the wave are some types of … sources of energy .

A. cheap           B. costly           C. changeable           D. alternative