1. 根据句意及首字母提示完成单词。

1. （1） We must obey(遵守) the school r.
3. （2） Don't f. You should help each other.
5. （3） It's raining o. We have to stay at home.
7. （4） Don't a late for class.
9. （5） Do you have to w uniforms at school?