39. In his attempt _______ the mountain, John fell and injured his backbone, which cost him the use of his legs.

A. climbing　　　　　　　　　 B. to climb　　　　　　　　　 C. having climbed　　　　 D. being climbed

38. -----I serve him three meals a day and almost everything for him, but he still fails me.

　 ---- I’m sorry to say that’s ______ you are wrong. To give him whatever he wants will only spoil him.

A. where　　　　　　　　　　　 B. what　　　　　　　　　　　　 C. why　　　　　　　　　　　　 D. how

37. ______ really matters in sports is not the winning, but the taking part.

A. That　　　　　　　　　　　　 B. It　　　　　　　　　　　　　　 C. What　　　　　　　　　　　 D. How

36. After a careful discussion, the two parties have made a rough plan but the details ______ out later.

A. are worked　　　　　　　 B. being worked　　　　　　 C. to be worked　　　　　　 D. are to be worked

35. These three college students are real heroes because they risked _______ their own lives in order to save the drowning boys in the water.　

A. having lost　　　　　　　 B. to lose　　　　　　　　　　　 C. losing　　　　　　　　　　　 D. of losing

34. The Black Friday after Thanksgiving Day is the busiest day of the holiday shopping season, _______ shoppers line up hours before stores open to get the best deals.

A. which　　　　　　　　　　　 B. where　　　　　　　　　　　 C. when　　　　　　　　　　　 D. that

33. Black boxes, ______ to record Flight data together with pilots’ conversation and noises from the aircraft, are important for people to find out the cause of an air crash.

A. design　　　　　　　　　　　 B. designing　　　　　　　　 C. designed　　　　　　　　　 D. were designed

32. It was two months _______ the young man mastered the skill of running the machine introduced from Germany.

A. since　　　　　　　　　　　　 B. when　　　　　　　　　　　 C. that　　　　　　　　　　　　　 D. before

31. After leaving his government service as a lawyer, _______.

A. people were amazed by the music he composed

B. many famous pieces were composed

C. he created many famous compositions.　

D. composing music became the most important thing in his life.

30. To have a family reunion dinner at a restaurant, you need to reserve the restaurant and select dishes on the menu months before it, ______?

A. don’t you　　　　　　　　 B. didn’t you　　　　　　　　 C. mustn’t you　　　　　　　　　　 D. needn’t you