45. ------Why don’t you stay at the Baotuquan Hotel?

　 ------You _______ ! Do you know how expensive that place is ?

　 A. must be joking　 B. can’t be joking　 C. must joke　 D. can joke

44. It is said that the meeting to be held in Room 223 _________ till next Friday.

　 A. will put off　　 B. was put off　 C. has been put off　 D. is putting off

43. I can’t stand ________ with Jane in the same office. She just refuses _______ talking while she works.

　 A. working ; stopping　　　 B. to work ; stopping　

　 C. working ; to stop　　　　 D. to work ; to stop

42. More and more young people are fond _______ playing tennis nowadays.

　 A. on　　　 B. to　　　 C. in　　　 D. of

41. I’m considering _______ a washing machine, which is considered ________ a great help to my wife.

　 A. buying ; to be　　 B. buying ; being　　 C. to buy ; being　 D. to buy ; to be

40. I still remember __________ chess in class by my teacher about twenty years ago.

　 A. to be caught to play　　　 B. being caught playing

　 C. catching play　　　　　　 D. having caught playing

39. Finally, they decided to _______ his suggestion.　　

　 A. adapt　　　　　 B. bring　　　　 C. receive　　 D . adopt

38. E-mail, as well as telephones, ________ an important part in daily communication.

　 A. is playing　　　 B. have played　 C. are playing　 D. play

37. By the time he was twelve, Edison ________ to make a living by himself .

　 A. would begin　　 B. has begun　　 C. had begun　　 D. was begun

36. The Northwest Tiger, which is _______ to people , is now _________. We should protect them.

　 A. dangerous ; dangerous　　　 B. dangerous ; in danger

　 C. in danger; in danger　　　　 D. in danger; dangerous