1. 用所给词的适当形式填空

1. （1） She spends two hours (play)baseball after school every day．

3. （2） A good habit can help you (work)better．

5. （3） We should encourage the children (do)good things for the people．

7. （4） Collecting stamps is one of my (hobby)．

9. （5） I take part in all kinds of (activity)．