1. 用所给词的适当形式填空

1. （1） The (child) are swimming now.

3. （2） Jim cooked lunch by (he).

5. （3） Lucy, you made the same mistake (错误) a   (two) time.

7. （4） Jay Chou is a (success) singer.

9. （5） Chairman Mao  (lead) Chinese people live a happy life.