一、选择填空

1.

—Did you see the car before it hit you?

—                  

2.

—How about his weight?

—                 

3.

Kids must __________ when they walk to school.

正确答案是：be on their guard

4.

The girl _____________ the case to the staff when her parents arrived.

正确答案是：was reporting

5.

The schools informed the parents _____ the case immediately.

正确答案是：of