9. When we heard the interesting joke, we can’t help ___________(laugh).

8. My bike is broken, it needs __________ (repair).

7. Computers are so popular in our country that every pupil knows how ______ (send) e-mails.

6. I spent too much time __________ (chat) with my net-friends, but now I can’t do.

5. We can’t afford _________ (pay) such a price. It’s too expensive.

4. Many trees and flowers _________ (plant) in our school last year.

3. She ___________ (write) many books so far, the children in China like them very much.

2. His parents used to __________ (live) in the country, but now they live in the city.

1. What about __________ (read) books about Art? I think it’s interesting.