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
39. He’s never seen this film before, _____ he?
A. isn’t B. hasn’t C. is D. has