=>
1. It's not necessary for you to buy me a birthday present.
2. If I don't have a quiet room, I won't be able to do anything.
3. They plan to make this beach a clean and beautiful place again.
4. The last time I met her was three years ago. 
5. Your car is not as economical as my car.
6. I have played soccer for ten years.
7. There used to be many trees and lakes in my village.
8. I am interested in watching TV in the evening.
9. I spent 4 hours reading the first chapter of the book.
10. We stayed at home instead of going to the theatre.
11. Both students and teachers borrow books from the library.
12. Unless my father continue to smoke, he won't be ill.
13. He spends 4 hours repairing this washing machine.
14. thiếu từ gợi ý

1. It's not necessary for you to buy me a birthday present.

2. If I don't have a quiet room,, I won't be able to do anything.

3. They plan to make this beach a clean and beautiful place again

4. The last time I met her was three years ago.

5. Your car is not as economical as my car.

6. I have played soccer for ten years.

7. There used to be many trees and lakes in my village.

8. I am interested in watching TV in the evening.

9. I spent 4 hours reading the first chapter of the book

10. We stayed at home instead of going to the theatre

11. Both students and teachers borrow books from the library

12. Unless my father continue to smoke , he won't be ill.

13. he spends 4 hours repairing this washing machine.

# NO COPY CHÚC BẠN HOK TỐT.