Bạn tham khảo nhé.

Excise 1.

1. old enough to

2. to leave

3. watch

4. to go out

5. do

6. wash

7. to see

8. having

9. to wash

10. to finish

11. to copcoppy

Excise 2.

1. to buy

2. wash

3. staying

4. to finish

5. to finish

6. went

7. to play

8. telling / to tell

9. been

10. to get

11. visit

12. cooking

13. to help

14. seeing

15. to see

Exercise 3

1. I enjoy reading to books very much

2. The sea was too cold so the children couldn't go swimming

3. I used to go to the cinema at weekends

4. Peter is not old to see the horror film

5. It takes me a half hours to do this exercise in three

6. It's interesting to see that film

7. The test is too difficult so the pupils can not finish it in time