1. (2017七下·揭西期中) 根据句意，选用方框内的词语，用其适当形式填空。

use, tomorrow, tooth, join, scary

1. （1） I don't like lions. It's too .

3. （2） — What's Dad doing?

   — He's the computer.

5. （3） It's Saturday today and is Sunday.

7. （4） Hi, Laura. Do you want to me for dinner? My parents aren't at home.

9. （5） The baby has two bad . His mother has to take him to the hospital.