45. In some countries there are already a number of firms ______ computer programming.

a. specialize in　　 b. specialized in　　 c. specializing in　　 d. specializes in

44. He felt bad for ______ a chance to study abroad.

a. having not given　　　 b. not having given

c. having not been given　 d. not having been given

43. From the electric refrigerator Dick takes a carton of cream, another of fresh milk and a can of ______ orange juice.

a. frozen　　 b. froze　　 c. freezing　　 d. freezed

42. Uncle Dick has already arrive. Do you expect ______ to see him?

a. going　　 b. go　　 c. to go　　 d. that you go

41. “Was the rally successful?’

“No, because the number of ______ was smaller than we had expected.”

a. people who attend　　 b. attended people　

c. people attending　　 d. attendance of people

40. ______ with the corresponding period of last year, the output of chemical fibers in the first quarter rose by 15%.

a. Comparing　　 b. To compare　　 c. Compared　　 d. Compare

39. He was just about to jump up when he felt something ______ near his feet.

a. to move　　 b. move　　 c. moving　　 d. moved

38. There is something wrong with my TV set, I must have it ______.

a. checking　　 b. check　　 c. to check　　 d. checked

37. You must follow the directions exactly and if you become ______, you must take the time to go back again and reread them.

a. to confuse　　 b. confusing　　 c. confuse　　 d. confused

36. Those relatives of his are ______ . I don’t want to have any dealings with them.

a. boring people　 　　　　　　　b. bored people　　

c. people having bored　　　　　　 d. people having boring