Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
I. There is a mistake in each of these sentences . Underline the mistake and then correct it
1. If we run out of oil , we need other kind of energy => will need
2. If pollution will increase , more and more trees will die => 0
3. You shouldn't eat quick , it's not good for your health=> quickly
4. Hoa is studying hardly for her exams => hard
5. I usually feel worriedly before an exam =. worried
6. They are certain that they can help us cleaning up the beach => certainly
7. I am disappointed that they did not tell us how doing it =. to do
8. He couldn't meet you because of he was busy => 0
9. She went to bed early because her sickness => because of
10. the pupils were divided in small groups =. into
I. Combine two sentences, using ''because/ since/ as''.
1. The water is highly polluted. We cannot swim in this part of the river. ->..........because ( since / as ) .the water is highly polluted, we cannot swim in this part of the river......
2. The company does not produce recycled paper. It is more expensive to produce than regular paper. ->..............The company does not produce recycled paper because it is more expensive to produce than regular paper. .........
3. We want people to be aware of the problem of pollution. We have'' a green week'' three times a year. ->.......because we want people to be aware of the problem of pollution, We have'' a green week'' three times a year. ..................
4 The area around the beach is full of trash. No one wants to go swimming or sunbathing there. ->...........since the area around the beach is full of trash, No one wants to go swimming or sunbathing there. ....................
5. It started to rain. We could not keep on cleaning the beach. ->........as it started to rain, we could not keep on cleaning the beach. -..........................
6.Mr. Minh is admired. He dedicated all his life protecting environment. ->........................Mr. Minh is admired because He dedicated all his life protecting environment...........
II. Rewrite each sentences so that the meaning stays the same:
1. Shall I phone you this evening? -> Do you want.............me to phone you this evening ?..........................
2. I can do what I want and you can't stop me. -> You can't..........prevent me from doing what i want...................
3 I would like you to help me to put the chairs away. -> Do you mind.........helping me put the chairs away ?...................
4. It's not a good idea to travel during the rush hour. -> It's better to avoid.................travelling during rush hour.....................
5. I'd refer not to go out tonight. -> I'd rather.........not go out tonight..............................
1. If she comes late again, she will lose her job
2. If i win this competition, i will give the award to the unlucky people
3. If we go by train, it will be cheaper
4. If we go by plane, it will be quicker
5. If you need more bags, i will give you some
6. If we throw these bottles over the hedge, that will pollute the wood
7. If i dont see you tomorrow, i will call you up
8. If the weather is good tomorrow, we will go swimming
9. If the streets are full of trash, we will heap it and burn it down
10. If it rains, she will stay at home and watch tv
1. by
2. for
3. on
4. for
5. of
6. to - from
7. at - of
8. without
9. at
10. on
Đó là câu trả lời của mik, mik nghĩ là đúng rồi á. Nếu bạn cx thấy vậy thì đừng tiếc tick đúng nhá. Thanks!! :>
Chúc bạn học tốt nhóe 
cái này là một cụm nha !
1. John did most of the work. He is very clever.
-> John, who is very clever, did most of the work.
III. RELATIVE CLAUSES WITH PREPOSITIONS:
1. Here's the address. You should write to this address.
-> Here's the address to which you should write.
2. Renewable energy sources are difficult topics. I'm not familiar with these topics.
-> Renewable energy sources, which topics I'm not familiar with, are difficult topics.
3. This country now has 300 wind turbines. The national network relies on these turbines.
-> This country now has 300 wind turbines which the national network relies on.
4. The radio is made in China. You are listening to it .
-> The radio, which you are listening to, is made in China.
5. Your mother is very nice. I talked to her last week.
-> Your mother, to whom I talked last week, is very nice.
6. These are my friends. I went to Da Lat with them last year.
-> These are my friends with whom I went to Da Lat last year.
7. I will hold a party. You will be invited to it.
-> I will hold a party which you will be invited to.
8. I don't like my girlfriend. She always asks me to wait for her whenever we go out.
-> I don't like my girlfriend who always asks me to wait for her whenever we go out.
9. These are the books. I have told you about them.
-> These are the books which I have told you about.
10. That is the man. I 've borrowed some money from him.
-> That is the man whom I've borrowed some money from.
11. Who was that man? I saw you with that man in the restaurant.
-> Who was that man, with whom I saw you in the restaurant?
12. The wall is dirty. You are leaning against it.
-> The wall, which you are leaning against, is dirty.
13. I'm going to visit Brazil. I don't know anything at all about it.
-> I'm going to visit Brazil which I don't know anything at all about.
14. My uncle Tom will be arriving tomorrow. You've heard so much about him.
-> My uncle Tom, whom you've heard so much about, will be arriving tomorrow.
15. A history of the town will be published soon. People know nothing about it.
-> A history of the town, which people know nothing about, will be published soon.
16. She found the bag. It belonged to her.
-> She found the bag which belonged to her.
17. This is the guy. I got it from him.
-> This is the guy whom I got it from.
18. You are the partner. I want to work with you.
-> You are the partner whom I want to work with.
19. Here is the museum. I told you about it.
-> Here is the museum which I told you about.
1. If people solve the problem of smoke from vehicles and factories, the air _____ pure and fresh.
A. is B. was C. will be D. would be
2. If you post false information on the Internet, you _____fined.
A. gets B. got C. would get D. will get
3. I believe that if all the people _____ the government’s instructions, we ____COVID-19 from spreading.
A. don’t follow/ will prevent
B. followed/ will prevent
C. follow/ would prevent
D. follow/ will prevent
4. Do you think there would be less conflict in the world if all people _____ the same language?
A. spoke B. speak C. had spoken D. will speak
5. If our schools are still closed because of the pandemic, we _____to study online.
A. wouldn’t B. would try C. tried D. will try
6. If I ____you, I ____many subjects online instead of playing video games.
A. was/ will study B. am/ will study C. were/ would study D. am/ would study
7. If people need more paper, more trees _____.
A. will cut down B. cut down C. will be cut down D. are cutting down
8. My English is not good. If I ___ English well, I ___ able to get a good job in a foreign company.
A. speak/ can be B. spoke / were C. speak/ were D. spoke/ would be
9. If everybody _____to the fight against COVID-19, we will win soon.
A. contribute B. contributes C. are contributing D. is contributed
10. If people protect the forest, a lot of trees _____.
A. will be preserved B. will preserve C. preserve D. would preserve
11. If you were me, what _____?
A. you would do B. will you do C. do you do D. would you do
12. People don’t trust him because he tells lies.
A. If he tells lies, people won’t trust him.
B. If he didn’t tell lies, people would trust him.
C. If he doesn’t tell lies, people will trust him.
D. If he told lies, people wouldn’t trust him.
13. The government limits travel and close contact among people, so we can prevent COVID-19 from spreading.
A. If the government didn’t limit travel and close contact among people, we couldn’t prevent COVID-19 from spreading.
B. If the government doesn’t limit travel and close contact among people, we can prevent COVID-19 from spreading.
C.If the government doesn’t limit travel and close contact among people, we could prevent COVID-19 from spreading.
D. If the government limited travel and close contact among people, we couldn’t prevent COVID-19 from spreading.
14. Wear a face mask when you are with many people, or you will be at risk.
A. If you wear a face mask when you are with many people, you will be at risk.
B. If you don’t wear a face mask when you are with many people, you will be at risk.
C. If you didn’t wear a face mask when you are with many people, you would be at risk.
D. If you don’t wear a face mask when you are with many people, you would be at risk.
18. We/ should/ maintain/ personal space/ avoid/ crowds/ if/ we/ want/ be/ safe/ now.
A. We should be maintained personal space and avoid crowds if we want to be safe now.
B. We should maintain personal space and avoid crowds if we want to be safe now.
C. We should maintain personal space and avoid crowds if we wanted to be safe now.
D. We should maintain personal space to avoid crowds if we want be safe now.
19. Her English/ not/ be/ rusty/ she/ used/ more often.
A. Her English wouldn’t be rusty if she uses it more often.
B. Her English wouldn’t be rusty if she has used it more often.
C. Her English wouldn’t be rusty if she is using it more often.
D. Her English wouldn’t be rusty if she used it more often.
20. If people/ solve/ problem/ smoke from vehicles, the air/ be pure and fresh.
A. If people solved the problem of smoke from vehicles, the air is pure and fresh.
B. If people solve the problem of smoke from vehicles, the air was pure and fresh.
C. If people solve the problem of smoke from vehicles, the air will be pure and fresh.
D. If people solve the problem of smoke from vehicles, the air would be pure and fresh.
I.Rewrite the following sentences:
1.They should not tell him about me.-> He had...better not tell him about me...
2.We can't have lunch in the garden because it's raining. -> If it......weren't raining,we could have lunch in the garden......
3.They say he is a dangerous prisoner. -> He.....is said to be a dangerous prisoner............
4. He is not able to drive a car, so we can't go by car. -> If he.....were able to drive a car,we could go by car..........
5. We didn't know your address, so we couldn't write to you a letter. -> If we....had known your address,we could have written to you a letter.....
6. She is very hungry now because she hasn't eaten breakfast. -> If she..ate breakfast,she wouldn't be very hungry now.....
7. If she has been offered the job, she would have taken it. -> Unless he.....she has been offered the job, she wouldn't have taken it........
8. She didn't want to hear the story again. She had heard it before. (Having heard)
=>Having heard the story before She didn't want to hear it again
9."What shall we do during the Tet holiday" (the children discussed)
=>The children discussed that Should they do during the Tet holiday?
10. The new teacher entered the room. He was presented with a big bunch of red roses. (after)
=>After entering the room,the new teacher was presented with a big bunch of red roses.
11. Don't read your readings in bad light. Your eyes will be ruined soon. (If)
=>If you read your readings in bad light,Your eyes will be ruined soon.
II.Put a suitable preposition in each blank:
1.Have you ever said “good bye” ……to….. your mother yet ?
2. He was ill …for…… a week and …during………that week his wife never left his side.
3. We bought it ……….. $5 ……… a second hand shop.
4. Our arrangement …for…….. tomorrow is …………. .
5. When I read him the report , he listened.........to............... me ........in.............. a surprise.
6. He threw 3 stones.......at..................... his attackers, trying to drive them........away......
7. The child insisted......on............... a pair of shoes bought.......with...... 150,000 dong.
Câu ước :
1/ The weather isn't nice today.
→ I wish ....the weather were nice today......................
2/ I have to do a lot of homework today
-> I wish ...i didn't have to do a lot of homework today.......................
3/ My father smokes very often.
→ I wish ...my father didn't smoke very often.....................
4/ We live in a small house.
→ We wish ..we didn't live in a small house........................
5/ I don't have a longer vacation.
-> I wish ...i had a longer vacation.........................
6/ They don't stay in Hue
-> They wish .....they stayed in Hue.....................
7/ There aren't any apples in the fridge.
-> I wish ......there were some apples in the fridge........................
8. He can't pass the examination.
-> He wishes.....he could pass the examination.....................
9. We can't go out because of heavy rain.
→ We wish.....we could go out ............................
10. What a pity! He can't come here.
-> I wish.....he could come here...........................
11. Lan is sorry that she can't go to the movie tonight.
-> Lan wishes.....she could go to the movie tonight..........................
12. I don' know how to use an lpad.
-> I wish...i knew how to use an lpad..............................
13. Doan is not tall enough to play basketball.
-> Doan wishes ...he were tall enough to play basketball......................
14. He doesn't help his mother with housework.
-> I wish...he helped his mother with housework..........................
15. I don't have enough money to help you.
-> I wish...i had enough money to help you........................
16. My brother is too short to play basketball.
-> I wish....my brother weren't short to play basketball. ......................
17. My grandmother doesn't stay with me.
-> I wish....my grandmother stayed with me.........................
18. He can't swim very well
-> He wishes.....he could swim very well....................
19. My brother doesn't have a good job.
-> My brother wishes....he had a good job............ .....
20. I don't know how to speak French.
-> I wish....i knew how to speak French.............. ....
Câu điều kiện :
1. Rewrite the following sentences in such a way that they don't change the meaning
1. He doesn't have the money and he can not afford a new car.
-> If......he had the money ,he could afford a new car....................
2. I cannot go to the beach with you because I have a date with my old classmate.
-> If.....i didn't have a date with my old classmate,i could go to the beach with you....................
3. I never get very lonely because I have lots of good friends.
-> If....i didn't have lots of good friends,i would get very lonely.....................
4. The match can be cancelled because it rains heavily.
-> If.....it didn't rain heavily,the match couldn't be cancelled....................
5. Because Simon doesn't live near his mother, he can't visit her often.
-> If.....Simon lived near his mother, he could visit her often.....................
6. I don't have free time, so I can't go to see him.
-> If....i had free time,i could go to see him.....................
7. I am poor, I can't travel around the world.
-> If...i weren't poor,i could travel around the world.......................
8. I am not a millionaire, I can't help all people.
-> If....i were a millionaire,i could help all people..............................
9. I am not old enough; I can't decide my own life.
-> If...i were old enough,i could decide my own life.
10. I am very tired so I can't finish my work.
-> If....i weren't very tired,i could finish my work...............................
2. Rewrite the sentences with If
1. Stop using dynamite for fishing and a lot of sea creatures will be well preserved.
-> If people Stop using dynamite for fishing , a lot of sea creatures will be well preserved................................
2 Use less paper and we can save trees in the forest.
-> If we...use less paper,we can save trees in the forest...............................
3. Plant more trees along the streets and we will have more shade and fresh air.
-> If we Plant more trees along the streets , we will have more shade and fresh air.
4. Work hard and we'll make this beach a clean and beautiful place again.
-> If we Work hard ,we'll make this beach a clean and beautiful place again
5. Keep our environment clean and we'll live a happier and healthier life.
-> If we Keep our environment clean ,we'll live a happier and healthier life.
6. Ba isn't rich so he can't travel around the world.
-> If Ba were rich,he could travel around the world
7. Mr. Loc doesn't have a car so he doesn't drive it to work.
-> If Mr. Loc had a car,he would drive it to work.
8. Nam doesn't arrive at school on time because he doesn't have an alarm clock.
->If Nam had an alarm clock,he would arrive at school on time
9. Tuan can't get better grades because he doesn't study harder.
-> If Tuan studied harder,he could get better grades
10. I don't meet an alien from outer space so I don't invite her to my home.
-> If I met an alien from outer space ,i would invite her to my home.
I. Complete each sentence with one suitable preposition or connective :
( by; from; in; on; and; if; but; to; from; or; for; since; of; into; because; althought; therefore; however; up; so ; and; at; with )
1. They got married......in......2004
2. They have been married.....since......2004
3., Lan woke up late,...so.......she didn't have time for breakfast.
4. My classmate usually goes out.........on.......Saturday
5.My sister often goes to school..........at......... 7 o'clock
6. I have learnt English....for...........5 years.
7. Mr. Parker is a farmer.....but.........Mrs. Parker is a worker.
8. The ruler is ...BETWEEN......the lamp and the book.
9. The boys help Mr. Packer on the farm.......ALTHOUGH..... he is busy.
10. They got up quite late.......SO...........they missed the trairn.
11. Lan won't go to school........BECAUSE...........she is sick today.
12. The competitions will take place....BETWEEN...........8am and 2p.m.
13. The boy is afraid........OF..........snakes
14. Nga is sick today.......SO.... she won't go to school.
15. They are interested........IN..........buying a new house.
16. Don't worry.....ABOUT.......... the money! I'll lend you.
17, Don't shout at the child.....ALTHOUGH.........he makes a mistake.
18. Ba and Tam usually go fishing.....AT......weekends
19. The bus parked at the parking lot...OF..... waited for people to come back.
20. They have learnt English.....FOR...........many years.
21. She is famous ........FOR...........her beautiful face and sweet voice.
22. Mr. Parker grows maize on his farm.....BUT....... .Mrs. Parker works at a grocery store.
23. Mr. Brown is often worried.....ABOUT........money
24. It was hot........SO.......... turned on the air condition.
25. I'm very proud......OF..........my school.
26. Our little brother took a long nap.......FROM.....2p.m to 6p.m.
27. I haven't seen Mai for a few days. I last saw her......BY.......
Tuesday.
28. The price of petrol will go up.........IN.......November.
29. I will call you........ON...........Wednesday evening.
30. They have lived here........SINCE........2009.
31. The meeting will be.....FROM.......nine to eleven......IN...........the morning.
33. He has learned French........FOR.........5 years.
34. We must be there........BETWEEN.............. 8 am and 9 am
35. He usually does exercises..........IN........the afternoon.
36. He tried hard ..........SO....... he got good grades.
37. She is under 16,......SO.......she is not allowed to ride a motorbike. People usually get together.......∅..........at Christmas.
38. I'll phone you.......ON.......Tuesday morning.........AT.........about 10 o'clock. Isn't it OK.
39. His father dierd........IN........ 2005.
40. They haven't meet each other.........FOR..........a long time.
41. Lan's birthday is......ON............June 18h
42. She passed the exam.....BECAUSE........she is always hard-working
44. Goodbye! See you........ON........Monday
45. She is a kind girl,......BUT........few people like her.
46. It's very nice.........OF........ you to help the old man.
47. She likes mangoes, durians.......and.......... bananas.
ON Sunday afternoons I usually go for a walk.
48...........on........... Sunday afternoon I usually go for a walk.
49. Mr. Brown enjoys walking around his garden.....at..........night.
50. I woke up.........at......... five o'clock......in.......the morning.
Complete each blank with a suitable Preposition:
1) He speaks English like a native. He can give us advice ..on. how to improve our pronunciation.
2) Hoa often helps Na .with.. her written assignments.
3) Why don't you work harder ..for. the project? We have only two days left to complete it.
4) The TV repairman will be here .in.. five minutes.
5) People throughout the world must work together to look ..after. the environment.
6) If you go ..on. leaving the lights on all day, you will have an enormous electricity bill to pay ..at. the end of this month.
7) Have you seen my little sister? I've been looking ..for. her .for.. two hours.
8) Travelling ..by. public transport will reduce the amount of exhaust fume from cars and motorbikes.
9) I spend 16amonth..on.faresandIhavetopay16amonth..for.faresandIhavetopay32 .for.. lighting.
10) What is the purpose .of your.. visit .to.. our country?
11) We are interested ..in. the shortage of fresh water .to.. the world's population.
12) The cost of living in Vietnam is low compared .to.. Singapore.
13) Did children account .for.. 45 percent of the total population affected by the tsunami?
14) This toilet roll is finished. It should be replaced .with.. a new one.
15) The head of the household should tell each family member to be aware ..of. saving energy.
16) Instead ...of buying energy-saving lights, we should concentrate ..on. a more economical use of electricity.
17) He is good ..at. fixing wooden objects, but he is bad .at.. building with bricks.
18) This electrical appliance will not work .on.. electricity.
19) Look ..at. this enormous telephone bill before leaving ..for. work, darling. I can't believe in my eyes.
20) If you've got a cough, you should try to cut .down on.. the number of cigarettes you smoke.
I . Fill in each blank with a suitable preposition
1. Hoa is studying lard .....for..... her exams
2. Liz talked very interestingly .......about...... her working day
3. Last week I had an important interview ....for...... a job
4. We want people to be aware .....of... the problem of pollution
5. The area ......around..... the beach is full of trash
6. It started to rain . We couldn't keep .....on....... cleaning the beach
7. I like having new friends ......in...... other cities
8. What will we do if the streets are full ......of.... trash ?
9. If the climate changes we will meet .......... natural diasters
10. If I don't see you tomorrow , I will call you .......up...........
1. For
2. About
3. For
4. Of
5. Of
6. Off
7. In
8. Of
10. Up