VIII

1. It's very important to keep the environment clean.

2. The time machine will be shown to the public when they finish.

3. He was delighted that his aunt sent him a letter.

4. People recycle old car tires to make shoes and sandals.

5. I’m very sad not to be accepted in that group.

6. I haven’t spoken to her for three years.

7. Tam used to type faster than she does now.

8. My father asked me to turn down the radio for him.

9. It is Lan’sfifteenth birthday next week.

10. When did you use the pen ?

11. He said that we had to have a party to celebrate that.

12. So far I have written ten pages of the letter.

13. Minh hasn't written to his pen pal for five months.

14. They used to wear jeans when they were young.

15. Because it rained heavily we couldn't go to school this morning.

16. If you practice speaking english everyday,you can improve it.

17. So long as you work hard , you will pass the exam.

18. Elementary education wasn't had to pay in vietnam

19. It is foolish of him to say that

20. Some people find excited to live in the city

Xin ctlhn nha 

1It's very important to keep the environment clean.

2The time machine will be shown to the public when they finish.

3He was delighted that his aunt sent him a letter.

4People recycle old car tires to make shoes and sandals.

5I’m very sad not to be accepted in that group.

6I haven’t spoken to her for three years.

7Tam used to type faster than she does now.

8My father asked me to turn down the radio for him.

9It is Lan’sfifteenth birthday next week.

10When did you use the pen?