61. If the earth suddenly ________ spinning,we would all fly off it.

　　A) had stopped

　　B) stopped

　　C) has stopped

　　D) would stop(B)

　　62. Is it advisable to ________ our body to thesunlight.

　　A) reveal

　　B) display

　　C) expose

　　D) show(C)

　　63. He demanded that we explain what was happening, ________?

　　A) hadn’t we

　　B) didn’t we

　　C) hadn’t he

　　D) didn’t he(D)

　　64. It was impossible to avoid ________ by the stormy weather.

　　A) being much affected

　　B) to be much affected

　　C) having much affected

　　D) to have been much affected(A)

　　65. ________ in England. Anne Bradstreet both admired and imitated several Englishpoets.

　　A) Having born and educated

　　B) To be born and educated

　　C) Since born and educated

　　D) Born and educated(D)

　　66. After searching for half an hour, she realized that her glasses ________ on thetable all the time.

　　A) had been lying

　　B) had been lain

　　C) have been lying

　　D) were lain(A)

　　67. They hurried there only to find the meeting cancelled. In fact, they ________ at all.

　　A) might not have gone

　　B) mustn’t have gone

　　C) needn’t have gone

　　D) wouldn’t have gone(C)

　　68. The time has come ________ we can make extensive use of nuclear energy.

　　A) when

　　B) while

　　C) as

　　D) since(A)

　　69. Hardly ________ the helicopter ________ when the waiting crowd ran toward it.

　　A) had ..., landed

　　B) has ..., landed

　　C) did..., land

　　D) was..., landing(A)

　　70. ________ the punishment was unjust. Helen accepted it without complaint.

　　A) However

　　B) So long as

　　C) Even though

　　D) Since(C)

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