1. (2019七下·博兴期中) 用方框内所给单词的适当形式填空。

music   relax   friend   speak   tooth

1. （1） Don't forget to brush your in the morning.
3. （2） Students can for half an hour after the second class.
5. （3） Lily plays the violin well and she wants to be a.
7. （4） It takes me thirty minutes to practice English every day.
9. （5） —Who are you?

    —I am Bill's .