Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

Viết lại câu với 'If' ( câu điều kiện)
1.He doesn't have the money and he can't afford a new car
If he had the money, he could afford a new car
.2. Susan felt sick because she ate 4 cream cakes.
If Susan hadn’t ate 4 cream cakes, she wouldn’t have felt sick
.3. We didn’t know your phone number, so we could not contact you.
If we had known your phone number, we could have contacted you
4. The price of petrol was raised last month, so car sales have dropped again.
If the price of petrol hadn't raised last month, car sales wouldn't have dropped again
.5. I cannot go to the beach with you this weekend because I have a date with my old classmates.
If I didn't have a date with my old classmates, I could go to the beach with you this weekend
6. She didn’t hurry, so she missed the train.
If she had hurried, she wouldn’t have missed the train
.7. I never got very lonely because I have lots of good friends.
If I didn't have had lots of good friends, I would have got very lonely
8. We didn’t go on holiday because we didn’t have enough time.
If we had had enough time, we would have gone on holiday
.9. We got lost because we didn’t a map.
If we had had a map, we wouldn’t have got lost
10. The match can be cancelled because it rains heavily.
If it didn’t rain heavily, the match couldn’t be cancelled
.11. He lost all his money because he wasn’t careful.
If he had been careful, he wouldn’t have lost all his money
12. 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
13. His parents were very disappointed because he failed his final examination.
If he hadn't failed his final examination, his parents would have very disappointed
14. 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
15. She didn’t explain him the situation, so he didn’t understand it.
If she had explained him the situation, he would have understood it
1.If he hadn't the money, he couldn't afford a new car.(vì dùng and nên không đổi phủ định thành khẳng định )

I. Use the correct tense or word forms :
- I look forward to (see)........................seeing.................. you.
- We suggest (run)......................running...................... around the park.
- She asked me when my school vacation (start).....................started.........................
- He (work).....................has worked/ has been working.............. here for many years .
- If we go on (litter).......littering......., the environment (become) ..........will become........... serious poluted.
- I suggest that you should (reuse)............ ……reuse………your bag.
- We suggest that buses should (use).........................be used.......................widely.
- You (buy)............ .......bought........……….a new car, didn’t you?
- They (learn) ............. ……have learnt.....................…….since 2001.
10. Air (pollute)............................pollution........................... can make people ill.
IV/ Put the verbs in brackets into the correct form.
1.Tommy (watch) ........................was watching.......................TV when the phone rang.
2. I (not hear)...........................haven't heard...................... of him since we last met.
3.What a pity! He goes to bed so late. I wish he (not go)...................didn't go.................. to bed so late.
4. They (not eat) ................haven't eaten...................... that food before.
5. It is better if the litter (put) ............. …is put………….... on the bins.

I. Rewrite:
1. We can’t swim in this river because the water is polluted.
Because of the polluted water, we can't swim in this river
2. We can’t come to the party on time since there are a lot of trafficon the streets.
Because of a lot of traffic on the streets, we can't come to the party
3. Although he was sick, he wanted to go out. ( but)
He was sick but he wanted to go out
4. I can’t buy this bike because I don’t have enough money. ( therefore)
I don't have enough money; therefore, I can't buy this bike
5. He failed the exam as he didn’t learn lessons.
Because he didn't learn lessons, he failed the exam
6. I can’t go to school to day because I have a toothache.
Since I have a toothache, I can't go to school
7. Nobody can answer this question because of its difficult.
Because this question is difficult, nobody can answer it
8. He can’t play basketball because of his height.
Because he was not tall, he can't play basketball
9. He can’t meet you because of being busy.
Since he is busy, he can't meet you
- The wether was bad, but they decided to go for a pinic.
Although the wether was bad, they decided to go for a pinic
- It is raining, so we decide to postpone our trip.
Because of the rain, we decide to postpone our trip
- I felt tired but I had to finish this work.
Though I felt tired, I had to finish this work
- She can’t work hard because she is old.
Because of being old, she can't work

Rewrite the sentences without changing the meaning.
1. He can’t go out because he has to study for his exam.
→ If he didn't have to study for his exam, he could go out
2. She is lazy so she can’t pass the exam.
→ If she weren’t lazy, she could pass the exam.
3. He will pay me tonight; I will have enough money to buy a car.
→ If he pays me tonight, I would have enough money to buy a car.
4. He smokes too much; that’s why he can’t get rid of his cough.
→ If he didn't smoke too much, he would get rid of his cough
5. She is very shy, so she doesn’t enjoy the party.
→ If she weren’t shy, she could enjoy the party.
6. I get a work permit. I will stay for another month.
→ If I get a work permit, I will stay for another month
7. He doesn’t take any exercises. He is so unhealthy.
→ If he didn’t take any exercises, he is so unhealthy
8. We can’t get the ket because I don’t have the right change.
→ If I had the right change,we could get the ket
9. Study hard or you won’t pass the exam.
→ If you study hard, you would pass the exam
10. Don’t be impatient or you will make mistakes.
→ If you are impatient, you will make mistakes.
1. The river which flows through Ho Chi Minh City is the Sai Gon River.
2. Mr Phong who is supposed to be at the meeting hasn’t come yet.
3. Our solar system is in a galaxy which is called the Milky Way.
4. I come from a city which is located in the southern part of the country.
5. I’ve recently gone back to the town where I was born.
6. Do you know the name of the hotel where John is staying?
7. There are some words which are very difficult to translate.
8. What is the name of the man whose car you borrowed?
9. This watch which I have lost costs a lot of money.
10. We were given a lot of information most of the which was useless.

V/ .....using suitable connectives ( but, so, as, because, although,.....)
1. The exam was quite hard, but they all passed it
-> they all ..passed the exam although it was quite hard...
2. It began to rain , but the workers went on working
-> although....It began to rain, the workers went on working
3. Ba ate a lot of food though he wasn't very hungry
-> Ba wasn't...very hungry but he ate a lot of food...
4. Even though he had a car , he still bought a new one
-> he had..a car, but he still bought a new one....
5. Lisa wants to go home because she fells sick
-> lisa fells...sick , so she wants to go home ....
6. Since the weather was bad, our flight was delayed
-> the weather...was bad, so our flight was delayed..
7. Long didn't work hard, so he failed in the exam
-> Long failed...in the exam because he didn't work hard ...
8. The boy drove carelessly , so he caused the accident
-> since....The boy drove carelessly,.he caused the accident.
9. She still when to work in spite of her sickness
-> although..she was sick ,she still went to work..
10. Despite not felling well he tired to finish the work
-> Even...though he didn't feel well, he tried to finished the work....
11. We decided to stay home because of the heavy rain
-> because it....rained heavily, we decided to stay home..
12. She divorced him due to his unkindness to their son
-> because he...was unkind to their son , she divorced him...
13. They tired hard, but they couldn't win the match
-> despite.....trying hard, they couldn't win the match..
14. He is humorous and generous, so we all love him
-> because of..being .humorous and generous, we all love him..

1. we can't go out because he has to study for his exam.
=>if..he didn't have to study for his exam,he could go out....
2.she is lazy so she can't pass the exam.
=>if.....she weren't lazy, she could pass the exam.......
3.he will pay me tonight;i will have enough money to buy a car.
=>if.....he pays me tonight.i will have enough money to buy a car....
4.he smokes too much; that's why he can't get rid of his cough.
=>if...he didn't smoke too much, he could get rid of his cough...
5.she is very shy , so he doesn't enjoy the party.
=>if.....she weren't shy , he enjoyed the party.......

●Complete the sentences below. Use the prepositions in the box.
after at between by during
for in on since until
1. Mr. Thanh isn't here at the moment. He'll be back _in__ a few minutes.
2. We were at the seaside __for___ two weeks.
3. I haven't seen Liz _since____ Monday.
4. Mrs. Nhung has gone away. She's been away _until__ Friday.
5. Where's Trang? She should be here __by____ now.
6. There are usually a lot of parties _on___ New Year's eve.
7. Can I meet you __between____ 8 am and 9 am?
8. We met a lot of people _during____ our holiday.
9. Ten o'clock is a bit early. We should come _after___ that.
10. They don't like traveling __at__ night.

Choose the incorrect part indicated in the following sentences
1. He says that he has been working (on) the project (in) =>since 2008 and from that time on, he (has spent) most pf his time (looking) for and studying facts and figures
2. Some designers (have been) =>have modernized the ao dai by (adding) new (patterns and symbols) (to) it
3. I (knew) him (when)=> since I came to my (niece's) wedding and we (are) friends for over ten years
4. Lan said that she (preferred) =>had preferred (wearing) (embroider) jeans to (other kinds of pants)
5. He has never (been eaten) =>eaten vegetarian (food), so he wants (to have) a change try it (some time)
6. I know he (has lived)=>had lived in Ho Chi Minh City (for) ten years before he (moved) to Da Nang two years ago and (his life) is now all right
7. I like the plain suit (than) the (striped) suit. (Moreover), it is (cheaper) than the striped one
8. She used to (wearing) =>wear casual clothes, but now (she's) changed her (mind). She (prefers) formal clothes
9.(It is said) the church has (stood) =>been stood there (for) the 18th century and (has been) the symbol of the city
1, on--> for
2, symbol---> symbolizing
3,are--> have been
4,pants--> pant
5,been eaten--> eaten
6,has lived--> had lived
7,than--> rather than
8,wearing--> wear
9, for--> in
1. He ran over the line, so he failed the driving test
As/ Because/ Since he ............... ran over the line, he failed the driving test........................................................................................
2. The power is cut suddenly, so we don’t have enough water to use.
We don’t ..............have enough water to use because power is cut suddenly t.............................................................................................................
3. He changed his way of studying and got excellent grade
Since .........he changed his way of studying, he got excellent grade .........................................................................................................................
4. He puts things disorderly. It takes him much time to find.
Because ........hputs things disorderly., it takes him much time to find......................................................................................................................
5. He tums on the air conditioner all night long, so he has to pay lots of money.
He has .......... to pay lots of money because he turns on the air conditioner all night long ......................................................................................................................
6. The question was too difficult for me to answer.
Since the question ...was difficult, I couldn't answer it.........................................................................................................
7. The ticket price is cheap enough for us to see the show
We can .........afford to see the show.....................................................................................................................
8. Peter was careless. He lost the game.
Since .................Peter was careless, he lost the game...........................................................