49. A number of people in our city ______ the old and they usually offer their seats to the old on the bus.

　　　 A. agree with　 　 B. are worried about 　 　 C. are afraid of　 D. care for

48. China ______the World Expo in St. Louis, US for the first time in 1904.

　 　　 A. took part in 　 B. joined　　　　　 　　　　 　　 C. held　　　　　　 　 D. showed

47. I think she will take your advice, _____ I’m not sure.

　　　 A. so that　　　　　　　 　 B. because　　　　　　　 　 C. although　　　　 　 D. unless

46. All the children knew who broke the window, but they ______ point out.

　 A. daren’t　 　　　B. daren’t to　 　　　　　 C. dare 　　　　　D. dare to

45. Good English will ________ us to find a good job easily in the future.

　 A. make　 　　　　 B. enable 　　　　　　　　　 C. have　 　　　 D. let

44. We can hear beautiful music, nice songs of birds or different kinds of ________in the world with our ears.

A. voices　　　　　　　 B. sounds　　　　　　　　　　　 C. noises　　　　　　　 D. cries

43. －We are free now. Let’s go and play computer games.

　　　 －Well. I think I’d better watch an English programme_______.

　　　 A. either　　　　　　　 B. then　　　　　　　　　　　　　 C. too　　　　　　　　　 D. instead

42. When Mary saw a policeman _____, she shouted at him for help.

　　　 A. coming　　　　　　 B. comes　　　　　　　　　　　 C. is coming　　　　 D. has come

41. Don’t just believe such an advertisement. That kind of machine is ____ it says.　

　　　 A. as good as　　　 B. not as good as　　　　　　 C. as well as　　　　 D. not as well as

40. Many people use bicycles ______ work, school, or exercise every day.

　　　 A. for　　　　　　　　　 B. besides　　　　　　　　　　 C. by　　　　　　　　　　 D. at