2. I am sure David will be able to find the library-he has a pretty good _____ of direction

A. sense　　　　　 B. idea　　　　　　 C. feeling　　　 D. experience

1. There might be some snakes ahead, so you should _______ for them.

　　 A. pay attention to B. take notice　　　　　　　　　　 C. watch out　　　　　 D. look up

10. My question is __________________________________________ (你会不会说英语).

9. Whatever gave you the idea _____________________________________ (我会唱歌)?

8. I’m not certain about ___________ (if/whether) I have done anything wrong.

7. __________ (Whether/If) it is going to clear up keeps me wondering.

6. I want to know ________ (whether/if) or not the train goes to King Street.

5. He said he liked rain very much and _________________________________________ (他不用伞) when it was raining.

4. I didn’t tell him anything ________________________________________________ (除了我找不到返回的路).

3. The problem lies ______________ (在于) the mist may become a thick fog.