完形填空(共20 小题; 每小题1分, 满分20分)

阅读下面短文，掌握其大意,然后从31—50各题所给的四个选项A、B、C和D中，选出一个最佳选项。

The books in David’s schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric,  31  his mother told him he would have to return his sister’s books to the library first.

He had  32   set foot in a library and he wasn’t about to do so today. He would just  33  the books in the outside return box. But there was a  34  ; it was locked. He went into the building, only a few minutes  35  closing time. He put the books into the return box. And after a brief  36  in the toilet, he would be on his way to the playground to  37  Eric.

David stepped out of the toilet and stopped in  38  — the library lights were off! The place was  39 . The doors had been shut. They  40  be opened from the inside, he was trapped(被困) — in a library!

He tried to  41   a telephone call, but was unable to  42 . What’s more, the pay phones were on the outside of the building.   43  the sun began to set, he searched for a light and found it.  44  he could see. David wrote on a piece of paper: “  45  ! I’m TRAPPED inside!” and stuck it to the glass door.  46  , someone passing by would see it.

He was surprised to discover that this place was not so unpleasant,  47  . Rows and rows of shelves held books, videos and music. He saw a book about Michael Jordan and took it off the shelf. He settled into a chair and started to  48  . He knew he had to  49  , but now, that didn’t seem to be such a  50  thing.

31. A. but         B. because      C. or           D. since

32. A. ever        B. nearly        C. never        D. often

33. A. pass        B. drop         C. carry         D. take

34. A. problem    B. mistake        C. case         D. question

35. A. during      B. after          C. over         D. before

36. A. rest        B. break          C. walk        D. stop

37. A. visit       B. meet           C. catch        D. greet

38. A. delight     B. anger           C. surprise     D. eagerness

39. A. lonely    B. empty            C. noisy       D. crowded

40. A. wouldn’t    B. shouldn’t      C. couldn’t      D. needn’t

41. A. make      B. fix             C. use         D. pick

42. A. get on     B. get up          C. get through   D. get in

43. A. If         B. As              C. Though     D. Until

44. A. On time     B. Now and then    C. By the way  D. At last

45. A. Come      B. Help            C. Hello       D. Sorry

46. A. Surely     B. Thankfully      C. Truly         D. Gradually

47. A. at most     B. after all        C. in short       D. as usual

48. A. watch      B. paly           C. read         D. write

49. A. wait      B. stand           C. sleep         D. work

50. A. bad      B. cool            C. strange        D. nice

When I came home, I found the window open and something___.

A. stolen   B. stealing   C. be stolen   D. to steal

My classmate, Li Ming, was highly praised for ___ a good deed.

A. doing   B. have done   C. having done   D. being done

It happened to be very cold ___ the morning of our sports meet.

A. at   B. on   C. in   D..with

It’s quite warm __December in China.

A. in  B. on   C. for  D.at

--Was his father very strict with him when he was at school?---Yes.He had never praised him ___ he became one of the top students in his grade.

A. after   B. unless   C. until   D. when

   ---What do you think of last Friday’s charity pop concert, Tim?

---It was a great success as a whole. Actually we ____ with half of the money collected.

A. will be satisfied                                                  B. were satisfied           

C. would be satisfied                                               D. would have been satisfied

Did ____ on time make her teacher angry？

      A. not to come              B. her not to come               C. her not coming        D. not her coming

By doing this he _______ an example to the rest of the world.

  A. set                                        B. put                                     C. took                                 D. built

Though he graduated from a famous university, he was _______ failure as _______ teacher.

  A. a; a                                       B. 不填; a                                    C. 不填; the                      D. 不填