when ,while 练习

1. _________ he comes tomorrow, I shall ask where he has been.

2. _________ he was speaking, everybody listened carefully.

3. I saw her just _________ she was getting off the train.

4. Have a good look at that man _________ you pass him.

5. It was already eight o'clock _________ we got there.

6. I was about to go out _________ a visitor came.

7. We'll go to the country at the beginning of June, _________ the summer harvestwill start.

8. He learned to speak German _________ he was in Berlin.9. Henry is in charge of the office ________ Mr. Smith is away.

• 答案：1.When 2. While / When 3. as 4. when/as 5. when  6. when 7. when 8. while 9. while