1. 根据句意及首字母或汉语提示，写出单词的正确形式

1. （1） There is no (社区) centre in your neighbourhood.

3. （2） Today some young people like to be (社会的) workers.

5. （3） Tom's uncle is a computer e.

7. （4） Some c students like to help the old.

9. （5） Is the boy's bike(坏的)?