41.Lots of empty boots were found under the old man’s bed. He must have done nothing but ____.
   A. drink         B. to drink        C. drinking        D. drunk  

42. Not until the late years of the 18th century___ what earth is.
   A. human beings did know　     B. human beings knew　
   C. didn"t human beings know　   D. did human beings know

43．“______ twenty dollars a big sum to her?” “I suppose so.”
   A. Will be         B. Is             C. Are          D. Were

44. ______his dream of going to college will come true is uncertain.
   A. That        B. Whether      C. If         D. Even if

45. It’s known to us ______________ there is pollution, there is harm.
   A. that        B. where       C. what       D. that where

46. They lost their way in the forest and _____made matters worse was _____ night began to fall.
   A. what; that   B. it; that   C. what ; when   D. which; what

47.It was not ____she took off the glasses _____I realized she was a famous film star.
   A. when; that    B. until; that  C. until; when  D. when; until

48. Early to bed and early to rise ______ a man healthy, happy and wise.
   A. making       B. to make     C. make     D. makes

49. You needn"t hurry her.  She ___ it by the time you are ready.
  A. will have been finishing     B. Would finish   
  C. Will have finished          D. Will be finishing

50. While Peggy ___, her brother is playing records.
   A. reads      B. is reading    
   C. has read    D. has been reading

51. He must __ in the book he was reading because he forgot to go to work.
   A. be lost in  B. has been lost in 
   C. had been lost in D. have been lost in

52. We had a family __ where I saw relatives I hadn’t seen for 20 years.
   A. reunion   B. conference  
   C. reputation  D. image

53. An hour __ before the manager returned to the meeting hall. 
   A. goes by   B. went by   
   C. on and off  D. passed on

54. He is __ a teacher. He often makes mistakes when he writes. 
   A. not much of a  B. not many  
   C. not much of   D. not much good

55. Tony came to America __ the American Dream.
   A. looked for  B. seek      C. seeking   D.locating

56. People who __ litter in the streets should be fined heavily. 
   A. gather   B. create  
   C. discard   D. look for

57. I don’t know how to __ the food left over from yesterday. 
   A.doing with  B. did with  
   C.tackle   D. do with

58. I have searched all the book stores in this town. The book you asked for is not ___.
   A. available   B.interesting   
   C. boring    D.vivid

59. Twenty miles away from the town, the robbers __ the car and disappeared into the woods. 
   A. approached   B. ground   
   C. removed   D. abandoned

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