Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless

2. I think you should stop smoking.
A. If I am you, I will stop smoking B. If I were you, I will stop smoking
C. If I were you, I would stop smoking D. If I had been you, I would stop smoking

3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears

4. We should do something to protect water from being polluted ........... we will have nothing to drink in the future.
A. if B. whether C. or D. unless

5. Let's knock on their door to see .......... home.
A. if they're B. unless they're C. whether they were D. if they were

6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had

7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless

8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may

9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got

10. He stepped on the mine, and it exploded.
A. If he doesn't step on the mine, it doesn't explode.
B. If he doesn't step on the mine, it won't explode.
C. If he didn't step on the mine, it wouldn't explode.
D. If he hadn't step on the mine, it wouldn't have exploded.

1. She doesn’t see a fly in her cup of tea, so she drinks it.

→ If she  

2. I'm not you, but I think you should recycle these plastic carrier bags.

→ If I …

3. He is hungry. He is thinking of a hamburger.

→ If he …

4. She has a bad voice but she still wants to be a singer.

→ If she …

5. Buy me an ice cream. Then I’ll take you to school.

→ If you …

6. He is eating so much. He is getting fatter.

→ If he …

7. Flowers have to get enough sunshine to live.

→ If flowers …

8. I must finish my homework first. Then I’ll come to the cinema with you.

→ If I …

Rewrite the following sentences using conditional sentences.

1. She doesn’t see a fly in her cup of tea, so she drinks it.

→ If she …

2. I'm not you, but I think you should recycle these plastic carrier bags.

→ If I …

3.He is hungry. He is thinking of a hamburger.

→ If he …

4. She has a bad voice but she still wants to be a singer.

→ If she …

5. Buy me an ice cream. Then I’ll take you to school.

→ If you …

6. He is eating so much. He is getting fatter.

→ If he …

7. Flowers have to get enough sunshine to live.

→ If flowers …

8. I must finish my homework first. Then I’ll come to the cinema with you.

→ If I …

Finish the second sentences so that it has a similar meaning to the first one, beginning with the   given words.

   30.I’m not you, but I think you should recycle these plastic carrier bags. (If)

→ If I were you, I would recycle these plastic carrier bags

   31. They build ten new houses in the town every year.

-> Ten new houses are built in the town every year.

32. When I came, they had finished their homework.

 -> After_________________________________________________________

33. She started learning English ten years ago. ( learned )

-> ______________________________________________________________

34. Acid rain is dangerous. Tree’s leaves are damaged.( because of)

-> ______________________________________________________________

35.Eating too much sugar can result in health problems.(lead)

-> ______________________________________________________________

Làm Nhanh và check giúp mkvs ạ !Thanks TT

viết lại câu sao cho nghĩa không đổi

1. I'm not you, but i think you should recycle these plastic carrer bags

- If i

2. A local artist painted the picture

- The picture

3. His room is untidy, so his mother is unhappy

- because

4. "Why haven't you phoned me?" he asked me

- He wondered

5. "Don't worry about us," they said

- They told her

6. People used to steal a lot of goods from supermarkets

- a lot

7. You got into so much trouble because you didn't listen to me

- If

8. I'm not you, so i can't tell him the truth

- If i

9. She doesn't pay attention to her cooking so the food is horrible

- If

chia động từ :

1.we can save natural resources if we (use) solar energy

2.he'd have a lot of friends if he (not be) so selfish

3.if it doesn't rain soon,the crop (lose)

4.if these (not be) electricity,people (can't) use house hold appdiances

5.unless he (study) hard ,he will pass the final exam

6.if the sun(stop) shining ,what (happen) to our planet?

7.what you (wish)if a fairy (give) you three wishes?

8.if i (know) his telephone number,i'd give it to you

9.if i had a type writes i (type)it myself

10.he might get fat if he (stop)smoking