1. A）用方框中所给单词的适当形式填空。每词限用一次。

tooth, we, watch, behind, good

1. （1） Everyone should clean before going to bed.
3. （2） My grandmother enjoys television at home.
5. （3） It's important to eat and keep healthy every day.
7. （4） I sit John, but he's too tall. I can't see the blackboard.
9. （5） Animals are friends and we should love and protect them.