10. Whenever we can not fall asleep ____a hot summer night, what troubles us most is that someone is singing karaoke____ a terrible voice.

句型转换　

8. ____ the dark street, there was not a person____ whom I could turn ____ help. 　 9. The picture, ____ which he paid $1 000,was owned____ a famous painter.

7. A ball, which is full____ either hot air or light gas, can fly____ the sky.

6. The rocket must go____ a speed fast enough to escape the pull ____ the earth, otherwise it will fall back ____ the earth. 　

5. ____ satellites, you cannot watch TV programs coming ____ the other side ____ the world. 　

4. The problem to be discussed ____the meeting tomorrow is ____great importance.

3. Given the chance to go abroad ____ business, he gladly accepted it. 　

2. --Did you have a wonderful time ____ Hong Kong?

--No, it was raining____ several days when we got there, and it was foggy most____ the time. 　

1. ____ face ____ danger, Tom always remains calm. 　

15. You should always remember to ____ your tools after work.

A. put aside B. put up C. put to D. put away

介词、副词填空