1. 用所给词的适当形式填空。

1. （1） Jenny often listens to music on the Internet,so she sings (good) than I.

3. （2）  (ski) is more dangerous than swimming.
   

5. （3） It's a good habit(习惯) (not be) noisy in public.

7. （4） Reading is (relaxing) than football.

9. （5） Jessie enjoys (watch) football match on TV in the evening.