三、完形填空(共15小题;每小题1分，计15分)

阅读下列短文，从文后各题所给的四个选项中选出一个最佳答案。

Last summer holidays, my classmates and I helped with a charity show. Its aim was to raise money for those children who __36__ go to school in poor areas. We did a lot for that.

I felt happy when I __37   to be the host. Though it was __38__, I was very nervous __39  the TV cameras. I knew that lots of people would come __40   the show, also there would be a large audience __41   the TV.

As some famous stars would come to the show, one of my __42   was to introduce each of them. I also had __43   things to do. So I often worked from morning till night. It was hard work, __44   I was happy.

I practiced a lot before the show. I had to remember all the words and do everything right at the same time. At first, I thought I would never be able to do it well. I kept __45   myself not to be nervous. Slowly everything became easier.

The big day came very fast. __46   people came to the show. They donated money and materials. And the local busi¬nesses also gave __47   a lot of support. _   48    generous they are.

After the show, we sent the donations to those poor children. Soon they wrote back. They were _49   grateful to us. I was very proud that I could help them. I hope __50   people will help them.

36. A. mustn't         B. couldn't     C. needn't           D. shouldn't

37. A. choose          B. chose       C. am chosen        D. was chosen

38. A. exciting          B. excited        C. frightening       D. frightened

39. A. as           B. since        C. because          D. because of

40. A. to look          B. to watch       C. to notice         D. to find

41. A. in front          B. in front of      C. in the front of      D. in the front

42. A. duty           B. work        C. duties           D. works

43. A. some other       B. others        C. another          D. some others

44. A. or           B. but           C. and           D. so

45. A. tell          B. telling        C. told           D. to tell

46. A. Hundred         B. Hundreds     C. Hundred of     D. Hundreds of

47. A. we          B. us            C. our           D. ourselves

48. A. How        B. What       C. How a        D. What a

49. A. recently         B. really       C. usually         D. especially

50. A. little and little    B. less and less     C. many and many      D. more and more