45. ______ the key, the boy couldn’t enter his house.
A. To lose B. To have lost C. Lost D. Having lost
46. The idea for the new machine came to Mr. Baker _____ to his invention.
A. while he was devoted B. while devoting
C. while devoting himself D. while seen
47. ____ in 1636, Harvard is one of the most famous universities in the United States.
A. Being founded B. It was founded C. Founded D. Founding
48. I feel it is your husband who ______ for the spoiled child.
A. is to blame B. is going to blame C. is to be blamed D. should blame
49. Though _______ money, his parents managed to send him to university.
A. lacked B. lacking of C. lacking D. lacked in
50. Generally speaking, ____ according to the directions, the drug has no side effect.
A. when taking B. when taken C. when to take D. when to be taken
51. _____ that business has been bad in the past few years, we’ll have to close the snack bar.
A. Considered B. Considering C. To consider D. Consider
52. There is a shop that sells little tools specially _____ for the job.
A. being made B. to be made C. having been made D. made
53. You can always depend upon _______ when he is needed.
A. John to be there B. John’s being there C. there to be John D. there being John
54. --- Do you know what his job is in the restaurant?
--- Oh, just _______ dishes and plates.
A. washing B. wash C. to be washing D. to have wash
55. A large number of plants _______ in Europe came from the Americas.
A. having been found B. to have been found
C. found D. to be found 来源：www.examda.com
56. Many people in that area died as a result of the disease ___ by the nuclear accident.
A. caused B. having been caused
C. to have been caused D. which caused
57. You’re looking very well--- _______ in the country must suit you.
A. live B. living C. having lived D. to be living
58. Dynamics（动力学） is a branch of physics which deals with the study of forces ______ on _______ objects.
A. acted, moving B. acted, moved C. acting, moved D. acting, moving
59. Few houses ______ after the earthquake, and a lot of people became homeless.
A. remaining B. remained C. having remained D. to be remained
60. If the government left the factory _____ the river, there would be no fish here.
A. to pollute B. polluting C. to be polluting D. polluted
61. _______ fifty years, they still love each other deeply.
A. Marrying B. Having married C. Married D. Having been married
62. --- I think I shall have to give up my study.
--- But I advise you ___.
A. not B. not so C. won’t D. not to
63. It seems to me that he never gets out of his office ____ to the café for coffee.
A. except go B. except to go C. except for going D. except he goes
64. ______ to loud noises for a long time will have one’s hearing _____.
A. exposed, harmed B. being exposed, harmed
C. exposing, being harmed D. expose, be heard
65. If ______ alone on a desert island, what would you do?
A. leaving you B. having left you C. left D. leaving
66. The Italian football team played so successfully _____ the Russians.
A. as to defeat B. only to defeat C. to have defeated D. as defeating
67. The palace, ______ down in 1485, was never rebuilt.
A. burnt B. having burnt C. to be burnt D. burning
68. In a dictionary, all the words _______ with “a” come first, then those _____ with “b”, then with “c” and so on.
A. begun, begun B. beginning, begin C. be