10. ______________(四分之三) of the books are boring.

9. Who __________(发现) the new island?

8. We should take care of our ___________(环境).

7. He hasn’t seen the film. _________(也没有)have I.

6.It’s________(无礼的)of him to cut in line.

5. Would you mind not ________(吸烟) here?

4. I got _______(气恼) when he came back late last night.

3.Many _________(外国人) came to China to watch the 29^th Olympic Games in 2008.

2. I think she is one of the most excellent ___　 ___(溜冰者) in our team.

1. My son is interested in _________(收集)stamps.