5.　　　 They __________ (play) basketball at this time yesterday.

4.　　　 Your ___________ (imagine) is really wonderful.

3.　　　 __________ (luck), she passed the exam.

2.　　　 He gave her mouth-to-mouth __________ (breath).

1.　　　 While he __________ (read) his novel, I was watching TV.

8.　　　 在他去上班的路上，他看见一辆车开进河里了。

__________ his _________ ______ ______, he saw a car ______ ______ the river.

7.　　　 她试图超过前面那辆车。

She __________ _________ __________ the car before her.

6.　　　 他修车的时候，他妈妈打电话来。

__________ he was __________ the car, his mother _________ him.

5.　　　 他看见发生了什么。

He __________ what _________ __________.

4.　　　 过了一会儿，老师拿着书走进来。

__________ ______ __________, the teacher walked in _________ __________ ­­­­­__________ _________ her hand.