1. 用括号内所给词的适当形式填空。

1. （1） There's something (value) in my bag.  Please be careful with it.

3. （2） I saw some (policeman) at the corner.

5. （3） I didn't sleep well, so I felt very (sleep).

7. （4） We are afraid of (wolf) because they are scaring.

9. （5） There are two (laboratory) in our school.