C. are challenging D. have been challenged

9. You should have put the milk in the ice box.I expect it _________ undrinkable by now.

　A. became B. had become C. has become D. becomes

10. All passengers ________ are expected to fasten the seat belts when the plane takes off or lands.

A. on the board B. on board C. on boards D. on a board

11. There are so many tall trees in the forest, _________.

A. some of them measures over 50 meters

B. some of which measuring 50 meters

C. some of them measuring 50 meters

D. some of which measures 50 meters

12. Before 1973, it was a common ________ that Roman children were taken away from their parents and sent to nurseries.

A. behavior B. convention C. practice D. tradition

13. -Where did you live as a child?

-A village ________ by hills on three sides.

A. was surrounded B. surrounding C. to be surrounded D. surrounded

14. Some people are born with the belief ________ they are masters of their own while others feel ________ they are at the mercy of others.

A. that；/ B. that；what C. what；that D. /；that

15. The manager asked the question ________ I would like to be his secretary.

A. if B. that C. whether D. how

Ⅱ. 翻译句子。

1. 他宁可让你暂时不做那件事。(would rather)

________________________________________________________________________

2. 他总算在远处看见了那个年轻人穿的浅色外套。(catch sight of; distance)

________________________________________________________________________

3. 过去，妈妈在春节来临时总是为我量身做新衣服。(measure)