2.　　 这座城市因其工业和贸易而闻名。

　 　　 The city is famous _______ _______ its industry and trade.

1.　　 通过读报，我们可以更多地了解世界。

　 　 We can _______ _______ ______ the world by reading newspapers.

5. The young soldier really doesn’t know ______ to stop the baby from

　　　 crying.

　　　 A. what to do　 B. which to do　　　 C. when to do　 D. where to do

4. I’m not sure which restaurant ______ because I haven’t been here for long.

　　　 A. to be eating 　　　 B. to eat at　　　　　　 C. to eat 　　　　　　　 D. eating at

3. I have many friends. I don’t know whom ______ first.

　　　 A. talk with 　 B. to talk　　　　 C. to talk with D. talk

2. The main problem is whether ______ abroad.

　　　 A. work　 　　　　　　 B. works　　　　 C. working 　　　　　 D. to work

1. I don’t know ______ to answer this question.

　　　 　A. how　　　　　　　　　 B. what　　　　　　　　 C. where　　　 　　 D. which

5. Mr Green enjoyed _________(play) soccer when he was young.

4. Why do you suggest _________ (visit) the museum?

3. It’s difficult for such a young child _________ (work) out the problem.