1. 选用所给的单词填空。

learn, strict, follow, noisy, keep

1. （1） We have to  our hair short at school.
3. （2） You must  the rules at home.
5. （3） Don't be  in the library. We have to keep quiet.
7. （4） My mother is  with me. I know she is helping me.
9. （5） She has to  to make her bed. It's good for her.