1. (2019七下·苍溪期中) 根据句意，用方框中所给单词的适当形式填空。

be,   friend,   beautiful,   shy,   too

1. （1） Elephants are very to people.
3. （2） She likes pandas and I like them, .
5. （3） Let's quiet. The boy is sleeping.
7. （4） My little sister is a girl. She is afraid to meet others.
9. （5） I think this skirt is very .