9. The old man was very interested in _________(潜水)deep in the sea when he was young.

8. I’ll give you another _______ (机会)to do it.

7. The silk dress is very _________ (舒服).

6. Miss Zhao left a message on the _________ (校长)desk.

5. Have you collected waste paper for ________ (回收)?

4. We must do something useful to _______ (改善)the environment.

3. Did you take part in the maths _______ (竞赛)last year.

2. He works in a restaurant as a _______ (侍者)at night.

1. The teacher stopped the students from ________(抄写) all the new words.

25. I wondered _________ I could get to the past office.

　　 A．what 　 B．how　 C．which　　　 D．where