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X. Use the following words and phrases. Make all the necessary changes and additions to write complete and meaningful sentences.

1. better  / does./No –one /his club / plays / than / he / in /  tennis /

    …………………………………………………………………………………………

2. told/ that/ he/ his/  borrowed/ from / school library / He/ me/ this book/

  …………………………………………………………………………………………..

3. sit/ you/  if / I / here? /Do / mind/

    …………………………………………………………………………………………

4. should drink / for / a lot of / because / water / it is / your body./You / very essential /

    …………………………………………………………………………………………

5. stayed / cheap hotel./ We / have / a / much money / we / in / / didn’t / so /  

    …………………………………………………………………………………………

8. 19th century. /London / had / has / an / train system / underground / since /

   …………………………………………………………………………………………

9. either./ They / been / to / haven’t / a water puppet / before / and / we / show / haven’t /

    ………………………………………………………………………………………

10. he./ She / go / will / next summer vacation, / will / and / to the beach / so /

  …………………………………………………………………………………………

11. have seen / This / first time/ Tim/ rice paddies. / the /is /

  …………………………………………………………………………………………

12. left/ I/ have / him/ since/ we/ school./ seen/ not/

…………………………………………………………………………………………

THE END

0
 X. Use the following words and phrases. Make all the necessary changes and additions to write complete and meaningful sentences. 1. better  / does./No –one /his club / plays / than / he / in /  tennis /   No-one in his club does better than he plays tennis.2. told/ that/ he/ his/  borrowed/ from / school library / He/ me/ this book/  He told me3. sit/ you/  if / I / here? /Do / mind/    …………………………………………………………………………………………4. should drink / for / a lot of / because / water / it is / your...
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X. Use the following words and phrases. Make all the necessary changes and additions to write complete and meaningful sentences.

1. better  / does./No –one /his club / plays / than / he / in /  tennis /

   No-one in his club does better than he plays tennis.

2. told/ that/ he/ his/  borrowed/ from / school library / He/ me/ this book/

  He told me

3. sit/ you/  if / I / here? /Do / mind/

    …………………………………………………………………………………………

4. should drink / for / a lot of / because / water / it is / your body./You / very essential /

    …………………………………………………………………………………………

5. stayed / cheap hotel./ We / have / a / much money / we / in / / didn’t / so /  

    …………………………………………………………………………………………

8. 19th century. /London / had / has / an / train system / underground / since /

   …………………………………………………………………………………………

9. either./ They / been / to / haven’t / a water puppet / before / and / we / show / haven’t /

    ………………………………………………………………………………………

10. he./ She / go / will / next summer vacation, / will / and / to the beach / so /

  …………………………………………………………………………………………

11. have seen / This / first time/ Tim/ rice paddies. / the /is /

  …………………………………………………………………………………………

12. left/ I/ have / him/ since/ we/ school./ seen/ not/

…………………………………………………………………………………

1
18 tháng 10 2021

1. better  / does./No –one /his club / plays / than / he / in /  tennis /

   No-one in his club does better than he plays tennis.

2. told/ that/ he/ his/  borrowed/ from / school library / He/ me/ this book/

  He told me that he borrowed this book from the school library

3. sit/ you/  if / I / here? /Do / mind/

    ……Do you mind if I sit here……………………………………………………………………………………

4. should drink / for / a lot of / because / water / it is / your body./You / very essential /

    ………You should drink a lot of water because it is very essential for your body…………………………………………………………………………………

5. stayed / cheap hotel./ We / have / a / much money / we / in / / didn’t / so /  

    ………We didn't have much money so we stayed in a cheap hotel…………………………………………………………………………………

8. 19th century. /London / had / has / an / train system / underground / since /

   ……London has had an underground train system since 19th century……………………………………………………………………………………

9. either./ They / been / to / haven’t / a water puppet / before / and / we / show / haven’t /

    ………They haven't been to a water puppet show and we haven't either………………………………………………………………………………

10. he./ She / go / will / next summer vacation, / will / and / to the beach / so /

  ………She will go to the beach next summer vacation and so will he…………………………………………………………………………………

11. have seen / This / first time/ Tim/ rice paddies. / the /is /

  …………This is the first time I Tim have seen rice paddles………………………………………………………………………………

12. left/ I/ have / him/ since/ we/ school./ seen/ not/

……………I have not seen him since we left school……………………………………………………………………

Nam is a student. This year he had a very interested => interesting summer

1/ ___________

holiday. He traveled with him => his classmates, to a mountainous area

2/ ___________

in Ha Nam province. They gone => went there to help make a road

3/ ___________

through a forest among => between two villages. “ It was very difficult

4/ ___________

because there had => was no water to drink and no shops where we

5/ ___________

could bought => buy food,”said Nam. “ It was very cold and wet

6/ ___________

in the mountains. It is one of the wetter => wettest places in the country.”

7/ ___________

Nam stayed in the mountains since => for six weeks. It was hard work,

8/ ___________

But he says it was the best thing he has ever did => done. He is hoping

9/ ___________

to return next year to do any => some more work there.

10/ __________

 
22 tháng 2 2023

1.interestedinteresting

2.him his

3.gonewent

4.amongbetween

5.hadwas

6.bought buy

cre baji

7.weter ⇒⇒ wetest

8.since⇒⇒ for

9.did⇒⇒ done

10.any ⇒⇒some

IV. Fill in each of the blank a suitable preposition 1. I am grateful __________ your help. I would have failed to do the task. 2. He is 20 and he is now independent __________ his parents. 3. I apologized _______ my friend __________ breaking a promise. 4. My brother and I have nothing __________ common. 5. She is always ___________ contact with us via messenger. 6. You are doing an exam so you have to work ___________ your own. 7. We have a spare house but we use it ______ rent. 8. When we...
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IV. Fill in each of the blank a suitable preposition
1. I am grateful __________ your help. I would have failed to do the task.
2. He is 20 and he is now independent __________ his parents.
3. I apologized _______ my friend __________ breaking a promise.
4. My brother and I have nothing __________ common.
5. She is always ___________ contact with us via messenger.
6. You are doing an exam so you have to work ___________ your own.
7. We have a spare house but we use it ______ rent.
8. When we were abroad, we paid all things ____________ credit card.
9. We are heavily ________ debt. We have to pay back all next month.
10. Excuse me, would you like to pay ________ cheque or __________ cash, please?
11. I didn’t mean to meet him again. I met him _________ chance
12. Can you check the washing machine? I think it is ________ ________ order..
13. We got lost, but _______ the end we met a local man who took us out of the forest.
14. _______ my opinion, you should start your own business.
15. I am sorry for breaking your vase, but I didn’t do it ________ purpose.

V. Complete by changing the form of the word in capitals when this is necessary

6. What he said is _____________. Don’t believe him. (TRUE)
7. These twins so are ___________ that we cannot tell them apart.(IDENTICALLY)
8. The telephone was one of the greatest ____________ of the 20th century. (INVENT)
9. Can you names some _____________ of the 20th century? (DISCOVER)
10. _____________ advances allow us to live better life. (TECHNOLOGY)
11. He is a great chemist who have discovered a new ____________ element. (CHEMIST)
12. Although he is a __________, he has a series of poems. (SCIENCE)
13. To make tea, you need _____________ water. (BOIL)
14. Remember to drink _____________ water or you can catch diseases. (BOIL)
15. In _____________, you have to submit your work on time. (CONCLUDE)

VI. Complete each second sentence using the word given, so that it has a similar meaning to the first
sentence. Write between two and five words.
1. Smoking is not allowed in any corner of the school.
You ___________________________________ in any corner of the school. (MUSTN’T)
2. It is not necessary to clean the floor. I did it yesterday. HAVE TO
You ______________________ clean the floor. I did it yesterday.
3. I really need to get a new job to earn more money to support my kids. OUGHT TO
I ______________________________________
4. Your sister has gone out. He just asked you about food for dinner. MIGHT
My sister __________________________________________________________
5. The cat is lovely. My friend gave it to me some days ago. WHICH
----------------------------------------------------------------------------------------------
6. The man called the police. His car was stolen some minutes ago. WHOSE
---------------------------------------------------------------------------------------------
7. We live in a building. There is a gym in that building. (WHICH)
----------------------------------------------------------------------------------------------
8. They returned to their school. They had many memories in this school. (WHERE)
-------------------------------------------------------------------------------------------------
9. I called the manager. I sent him a letter 2 days ago. (WHOM)
-----------------------------------------------------------------------------------------------------
10. We came to visit an island. It rains a lot here during the last months of the year. (WHERE)

mk đang cần rất gấp! Mong đc duyệt bài sớm!!

1
10 tháng 8 2020

Nếu các bạn giúp thì ko nhất thiết phải làm hết. Giups đc câu nào là tốt rồi^^

Past simple tense1. Bill .... ( be ) born in 19802. They .... ( build ) this house 2 years ago3. Lan and Hoa .... ( not/ go ) to school yesterday4. Mai .... ( leave ) school last years5. .... ( you/ visit ) your grandmother last night ?6. What .... ( he/ buy ) last week ?ll. Present perfect tense1. They (not speak) … to each other since they quarelled.2. I wonder where he (live) … since then.3. You already (drink)… three cups of tea since I sat here.4. I (wait) … here for her since 7...
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Past simple tense
1. Bill .... ( be ) born in 1980
2. They .... ( build ) this house 2 years ago
3. Lan and Hoa .... ( not/ go ) to school yesterday
4. Mai .... ( leave ) school last years
5. .... ( you/ visit ) your grandmother last night ?
6. What .... ( he/ buy ) last week ?
ll. Present perfect tense
1. They (not speak) … to each other since they quarelled.
2. I wonder where he (live) … since then.
3. You already (drink)… three cups of tea since I sat here.
4. I (wait) … here for her since 7 o’clock and she (not come) … yet.
5. John (do) … his homework already.
6. We (go) … on a picnic in the countryside several time before.
7. I (not see) … him today.
8. How much you (pay) … for it?
9. She (feed) … the cat yet?
10. They (do) … their homework?
11. You (find) … your book?
12. You (be) … here before?
13. She (use) … this car for 5 years.
14. Someone (take) … my bike.
15. He isn’t here. He (go) … to Canada.
16. He (lose) … his key.
17. I (not work) … since last week.
18. We (buy) … a new lamp.
19. We ( not/ plan ) … our holiday yet/
20. Where (be/ you) …?
lll. Past simple or present prefect tense
1. We (study) … a very hard lesson the day before yesterday.
2. We (study) … almost every lesson in this book so far
3. We (watch, never) … that television program.
4. We (watch) … an interesting program on TV last night.
5. My wife and I (travel) … by air many times.
6. My wife and I (travel) … to Mexico by air last summer vacation.
7. I (read) … that novel by Hemingway several times before.
8. I (not see) … him for three weeks. I wonder where he is.

9. The concert (begin) … at 2.30 and (last) … for two hours. Everyone (enjoy) … it very
much.
10. The play (just, begin) … . You’re a little late
11. Mr. Count (work) … as a cashier for 25 years. Then he (retire) … and (go) … to live in the
countryside.
12. We (miss) … the bus. Now we have to walk.
13. I (not, see) … him since last Monday.
14. I (never, read) … such an interesting story in my life.
15. How many films you (see) … this month?
16. His health (improve) … since he (leave) … India.

3
10 tháng 7 2019

Past simple tense
1. Bill ...was. ( be ) born in 1980
2. They ..built.. ( build ) this house 2 years ago
3. Lan and Hoa ..didn't go.. ( not/ go ) to school yesterday
4. Mai ..left.. ( leave ) school last years
5. ..Did you visit.. ( you/ visit ) your grandmother last night ?
6. What .did he buy... ( he/ buy ) last week ?

10 tháng 7 2019

ll. Present perfect tense
1. They (not speak) haven't spoken… to each other since they quarelled.
2. I wonder where he (live) has lived… since then.
3. You have already (drink)drunk… three cups of tea since I sat here.
4. I (wait) …have waited here for her since 7 o’clock and she (not come) hasn't come… yet.
5. John (do) has done… his homework already.
6. We (go) have gone… on a picnic in the countryside several time before.
7. I (not see) …haven't seen him today.
8. How much have you (pay) …paid for it?
9. Has She (feed) …fed the cat yet?
10. have They (do) done… their homework?
11. have You (find) found… your book?
12. have You (be) …been here before?
13. She (use) …has used this car for 5 years.
14. Someone (take) has taken… my bike.
15. He isn’t here. He (go) has gone… to Canada.
16. He (lose) has lost… his key.
17. I (not work) haven't worked… since last week.
18. We (buy) …have bought a new lamp.
19. We ( not/ plan ) haven't planned… our holiday yet/
20. Where (be/ you) have you been…?

7 tháng 7 2019

Would you mind If I sat next to you.

7 tháng 7 2019

would you / mind if i / sit / next / you?

=> Would you mind if I sat next to you?

Chúc bạn học tốt!

Ex1: Put “so” and “too” in the blanks.1) Ali speaks French well and .....does her brother.2)Chris can ski, I can.........3)They've a color TV, Mary have.................4)We live in a small flat,.........do they5)Mary didn't know the answer to the teacher's question,............did Tom6)Tom plays chess well, ...........does Minh7)Mr.Nam didn't win the race. Mr.Trang didn't...................8)My wife can't play the piano,.............can her sister9)She wore a green coat yesterday,...
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Ex1: Put “so” and “too” in the blanks.

1) Ali speaks French well and .....does her brother.

2)Chris can ski, I can.........

3)They've a color TV, Mary have.................

4)We live in a small flat,.........do they

5)Mary didn't know the answer to the teacher's question,............did Tom

6)Tom plays chess well, ...........does Minh

7)Mr.Nam didn't win the race. Mr.Trang didn't...................

8)My wife can't play the piano,.............can her sister

9)She wore a green coat yesterday, ...........wore Bill.

10)Lan doesn't like sweets,............ does Huong

11)The children don't take that medicine,...............does she.

12)Mary types well, ............

13)I am not interested in reading that book,............ is she.

14)They will leave at noon, I will........

15)He has an early appointment,.......do I.

16)I must write them a letter,........does she

17)I wasn't in London,............was she

Ex 2: Rewrite the followed using “so – too – either – neighther”

.1. I have told you, and ( Your father )

2. She hasn’t bought a glass of water, and (WE )

3. What you eat is healthful, and ( WHAT YOU DRINK)

4. None of my friends has come, and ( YOU)

5. She can never drive a car, and (WE )

6. I don’t think you can do it, and ( MY MOTHER)

7. My mother thinks they will come soon, and (I )

8. What he has done is encouraging, and ( YOUR WORK)

9. The reason why he has passed the exam is unknown, and ( HE)

10. We like him, and (YOU)

11. They have to go now, and (MY DAUGHTER)

12. The men don’t take it, and (WE)

13. I like no one, and (SHE)

14. They must have gone, and (SHE)

15. The man who told me about that looked nice, and (YOU)

16. He put it away, and (YOU)

17. They couldn’t swim, and (I)

18. Mrs Brown won’t be late, and ( THEY)

19. My mother’s come, and (MY GRAND PARENTS)

20. She’d rather stay, and (I)

3
30 tháng 12 2017

Ex1:

1) so                      6) so                       11) so                     16) so

2) too                     7) too                     12) too                    17) so

3) too                     8) so                      13) so 

4) so                      9) so                      14) too

5) so                    10) so                      15) so

30 tháng 12 2017

E1  1.so

2.too

3.too

4.so

5.neither

6.so

7.either

8.neither

9.so

10.neither

11.neither

12.thiếu đề

13.so

14.to

15.so

16.so

17.neither

EXERCISE 1: Rewrite the following sentences using “Unless”1. I won’t go to school if I don’t feel better.2. Tony will walk to you is you question him.3. If you don’t put on your overcoat, you’ll be cold.4. You will fail the exam if you don’t work hard.5. You’ll get a cold if you don’t keep your feet dry.6. If I don’t leave now, I’ll miss my flight.7. If you aren’t going to the party, I won’t go.8. I can’t send you a postcard if  you don’t give me your address.9. If...
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EXERCISE 1: Rewrite the following sentences using “Unless”

1. I won’t go to school if I don’t feel better.

2. Tony will walk to you is you question him.

3. If you don’t put on your overcoat, you’ll be cold.

4. You will fail the exam if you don’t work hard.

5. You’ll get a cold if you don’t keep your feet dry.

6. If I don’t leave now, I’ll miss my flight.

7. If you aren’t going to the party, I won’t go.

8. I can’t send you a postcard if  you don’t give me your address.

9. If I won a big prize in a lottery, I’d build a school for the poor.

10. I’ll call the police if you don’t leave me alone.

EXERCISE 2: Rewrite the following sentences using conditional sentences type 2.

1. They are poor, so they can’t help us.

2. He doesn’t do this homework. He is always punished.

3. He doesn’t have enough time. He can’t help me.

4. She doesn’t take any exercise, so she is overweight.

5. He doesn’t have a bicycle, so he always goes to class late.

6. I am bad at English, so I can’t do homework.

7. He doesn’t practise speaking French, so he doesn’t speak it fluently.

8. The meeting can be cancelled because it snows heavily.

9. We don’t go because it will rain.

10. John is fat because he eats so many chips.

EXERCISE 3: Rewrite the following sentences using conditional sentences type 3

1. He didn’t hurry, so he missed the train.

2. We didn’t go because it rained.

3. We got lost because we didn’t have a map.

4. He lost his job because he was late everyday.

5. The dress was so expensive. She could not buy it.

6. Sue felt sick because she ate four cream cakes.

7. My brother left the car keys, so I had to pick him up at the station,

8. We didn’t go on holiday because we didn’t have enough money.

9. He didn’t have the ticket to the game last week. He wasn’t be able to get in.

10. Robert got a bad cough because he started smoking cigarettes.

1
2 tháng 12 2019

Exercise 1:

  1. I won't go to school unless I feel better.
  2. Tony won't walk to you unless you question him. 
  3. You'll be cold unless you put your overcoat on.
  4. You will fail the exam unless you work hard.
  5. You'll get a cold unless you keep your feet dry.
  6. I won't go to the party unless you go.
  7. I'll miss my flight unless I leave now.
  8. I can't send you a postcard unless you give me your address.
  9. I can't build a school for the poor unless I win a big lottery.
  10. I will call the police unless you leave me alone.
ai giúp mình đ.c k? thank a lot 1,Put the verbs in brackets in their correct form 1, If we (not) ___ on electricity, there will be power cuts 2, I hope he (finish) __ his homework before we (get)___ back 3, If we sit too far away from the screen I (not be) ___ able to see the film 4, Listen to those people! What langauge they (speak)___? 5,It is an awful fim. It (be)___the worst film that I ever (see)___ 6,Khanh usually (play)____ football with his friends after school, but yesterday he...
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ai giúp mình đ.c k? thank a lot

1,Put the verbs in brackets in their correct form

1, If we (not) ___ on electricity, there will be power cuts

2, I hope he (finish) __ his homework before we (get)___ back

3, If we sit too far away from the screen I (not be) ___ able to see the film

4, Listen to those people! What langauge they (speak)___?

5,It is an awful fim. It (be)___the worst film that I ever (see)___

6,Khanh usually (play)____ football with his friends after school, but yesterday he (not play )___ as he was tired

7,After three days of rain, I'm glad the sun (shine)___ again today

8, ___ I know from my experience that (gain)___ a good knowledge of a foreign language, one must work hard at it every day.

9, I (repaint) ___ the walls. They lock great! The room (be)___ much lighter now.

10, Someone (steal) ___ your car if you leave it unlicked

11, If he (wash) ___ my car , I'll give him $10

12, They'll be very angry if she (make)___ any more mistakes

13, If you are late, they (not let)___ you in.

14, If lend you $10, when ___ you (repay)____ me?

15, If I find your passport, I (telephone)____ you at once

16,He will ruin his eyes if he (read)____ in bad light

17, If I tell you a secrect, ___you (promise)___ mot to tell it to anyone else?

18, If I see him, I (give) ___him a lift

19, If he (be) ___ late, we'll go without him

2,Give the correct form of the words in brackets to finish the letter

Dear Kay,

Isabella and I are having the (good)___ holiday of our life! We are in Vinabliss Resort, one of the (lovely)__ islands in the Eastern Sea. Although it is much (small)___ than Vinaland, there seems to be (much)___ to do than in Vinaland. Moreover, the people here seem to be (friendly)___ than those on other islands. We are staying in the (modem)___ hotel I have ever seen. It is far(comfortable)___ than any other and it is even (big)___ than the world-famous Calton hotel .The (near)___ beach is (little)___ than a hundred metres away, so we can swimin a lot. It's really good and I want you to be here with us.

Love,

Maltida

3,Choose a suitable word from the box put in each blank to finish the passage

from means in waste possible
wind should green However who

Much of our waste, especially waste (1)___ factories, electric-poweres stations, the chemica indusrty and heavy industry, is very dangerous. Fish die (2)___ the lakes, rivers and seas; forest trees die, too. Much of this dangerous (3)____ goes into the air and is carried by the (4)___for great distances.

The Earth is our home. We (5)___ take care of it, for ourselves, and for our children and grandchidren. This (6)___ we have to keep our enviroment (7)___ and clean. The importance of this task is pointed out by ecologists-the scientists (8)___ study the relations between living things and the enviroment . (9)___, each of us must do everything (10)__ to keep the land, air and water clean

trees metal protect damage recycle enviroment
danger rubbish save animals

11, Some factories ___ empty bottles and cans

12,We shouldn't ___ forests.

13, It's important o ___ our skin from harmful effects from the sun

14, ___, paper and glass can e recycle

15, We should plant more ____ in our city

16, We have to do everything to ____ the environment

17, Some animals in the world are in ____ now

18, Don't throw ____ in the streets

19, People are doing a lot of things to damage the ____

20, We are destroying wild ____ and plants

4, Join the pairs of sentences, using the suggestions given in brackets

1, I must ring john. i won't forget, I hope.(I hope I....)

2, His uncle helped him. He was able to finish his course.(Because....)

3,I think we should go ahead. No one disapproves of the plan.(As..)

4, It was raining heavily. They continued to play tennis. (Although ...)

5, "Ambulance" is written backwawrds. You can read it in the mirror (....so....)

1
16 tháng 4 2018

1,Put the verbs in brackets in their correct form

1, If we (not) _don't__ on electricity, there will be power cuts
2, I hope he (finish) _will have finished_ his homework before we (get)_get__ back
3, If we sit too far away from the screen I (not be) _won't be__ able to see the film
4, Listen to those people! What langauge they (speak)_speaking__?
5,It is an awful fim. It (be)_is__the worst film that I ever (see)_have seen__
6,Khanh usually (play)__plays__ football with his friends after school, but yesterday he (not play )_didn't play__ as he was tired
7,After three days of rain, I'm glad the sun (shine)__is shinning_ again today
8, I know from my experience that (gain)_to gain__ a good knowledge of a foreign language, one must work hard at it every day.
9, I (repaint) _have repainted__ the walls. They lock great! The room (be)__is_ much lighter now.
10, Someone (steal) _will steal__ your car if you leave it unlicked
11, If he (wash) _washes__ my car , I'll give him .
12, They'll be very angry if she (make)_makes__ any more mistakes
13, If you are late, they (not let)__won't let_ you in.
14, If lend you 10$, when _will__ you (repay)__repay__ me?
15, If I find your passport, I (telephone)__will telephone__ you at once
16,He will ruin his eyes if he (read)__reads__ in bad light
17, If I tell you a secrect, __will_you (promise)_promise__ mot to tell it to anyone else?
18, If I see him, I (give) _will give__him a lift
19, If he (be) _is__ late, we'll go without him

2,Give the correct form of the words in brackets to finish the letter

Dear Kay,
Isabella and I are having the (good)__best_ holiday of our life! We are in Vinabliss Resort, one of the (lovely)_most lovely_ islands in the Eastern Sea. Although it is much (small)_smaller__ than Vinaland, there seems to be (much)_more__ to do than in Vinaland. Moreover, the people here seem to be (friendly)__more friendly_ than those on other islands. We are staying in the (modem)_most modem__ hotel I have ever seen. It is far(comfortable)_more comfortable__ than any other and it is even (big)__biggest_ than the world-famous Calton hotel .The (near)_nearset__ beach is (little)_less__ than a hundred metres away, so we can swimin a lot. It's really good and I want you to be here with us.
Love,
Maltida

3,Choose a suitable word from the box put in each blank to finish the passage

from means in waste possible
wind should green However who

Much of our waste, especially waste (1)_from__ factories, electric-poweres stations, the chemica indusrty and heavy industry, is very dangerous. Fish die (2)_in__ the lakes, rivers and seas; forest trees die, too. Much of this dangerous (3)__waste__ goes into the air and is carried by the (4)_wind__for great distances.
The Earth is our home. We (5)_should__ take care of it, for ourselves, and for our children and grandchidren. This (6)_means__ we have to keep our enviroment (7)__green_ and clean. The importance of this task is pointed out by ecologists-the scientists (8)_who__ study the relations between living things and the enviroment . (9)_However__, each of us must do everything (10)_possible_ to keep the land, air and water clean

trees metal protect damage recycle enviroment
danger rubbish save animals
11, Some factories _recycle__ empty bottles and cans
12,We shouldn't _damage__ forests.
13, It's important o __protect_ our skin from harmful effects from the sun
14, _Metal__, paper and glass can e recycle
15, We should plant more __trees__ in our city
16, We have to do everything to __save__ the environment
17, Some animals in the world are in __danger__ now
18, Don't throw __rubbish__ in the streets
19, People are doing a lot of things to damage the __environment__
20, We are destroying wild __animals__ and plants

4, Join the pairs of sentences, using the suggestions given in brackets

1, I must ring john. i won't forget, I hope.
I hope I won't forget to ring John.
2, His uncle helped him. He was able to finish his course.
Because his uncle helped him, he was able to finish his course.
3,I think we should go ahead. No one disapproves of the plan.
As no one disapproves of the plan, we should go ahead.
4, It was raining heavily. They continued to play tennis.
Although it was raining heavily. they continued to play tennis.
5, "Ambulance" is written backwards. You can read it in the mirror
"Ambulance" is written backwards, so you can read it in the mirror