1. (2016九上·海口期中) 根据句意及首字母提示补全单词。

1. （1） You'd better not throw (废弃的) paper around.

3. （2） (两者都不) of my parents are teachers.

5. （3） She is (聋的) and she can't hear clearly.

7. （4） He lost a lot of b in the car accident.

9. （5） You o to be very careful when driving a car.