3. Could you tell me where the post office ______ (is)?

2. Do you know who ______ (be) the first man to walk on the moon?

1. We are sure that he ________ (go) to school tomorrow.

5. I don’t suppose they will come, _______ ______ ? (改为反意疑问句)

五、用所给动词的正确形式填空。

4. I don't know how I can get to the hospital.（改为简单句） →

　 I don't know ________ ________ ________ to the hospital.

3. Lucy hasn't decided which trousers to buy.（改为复合句） →

　 Lucy hasn't decided ________ _________ ________ _______ buy.

2. I think this is a good idea.（改为否定句） →

   I  _______ ________ this ________ a good idea.

1. “Do you want to try it?” Tom's mother asked him.(同义句)→

Tom's mother asked him _______ _______ ______ to try it.

10. Do you know ______ you are studying for? (why, what)

四、句型转换。

9. I don't know ____ so many people are looking at him. (how, why)