66.I regret _____ what I said. I shouldn't have said it.
　　A.to say B.saying C.to be saying D.said
　　答案：B. saying 我懊悔讲了我讲的话。我是不应当这样讲的。
　　67.He was lucky and narrowly missed _____.
　　A.to injure B.injuring C.to be injured D.being injured
　　答案：D. being injured 他很幸运，差点被砸到而受伤。
　　68.I understand _____ to discuss the matter.
　　A.your not wanting B.not your waiting C.you not to want D.you to not want
　　答案：A. your not wanting 我理解你不想讨论此事。
　　69.Don't be late. No one would like _____.
　　A.to be kept waiting B.being kept waiting C.to be kept to wait D.being kept to wait
　　答案：A. to be kept waiting 不要迟到。没有人会喜欢被久等
　　70.He can't make himself _____. His spoken English really needs _____.
　　A. understand, improving B. understood, improving
　　C. understand, to improve D. understood, to improving
　　答案：B. understood，improving 他不能让自己的理解。他的英语口语实在需要改进.
　　71.This is an _____ that will not be easily forgotten.
　　A. impact B. academic C. insult D. alternative
　　C 这是一种侮辱，不会轻易忘记的。
　　72. Please _____ me for my rudeness. I really do not know the custom here.
　　A. engage B. comfort C. execute D. forgive
　　D 请原谅我的无礼。我真的不知道这里的习俗。
　　73. Water and air are _____ to human beings . We can not live without them.
　　A. harbor B. function C. definite D. essential
　　D 水和空气对人类来说是至关重要的。没有他们，我们就不能生存。
　　74. When the airplane takes off, the passengers are told to _____ their seat belts.
　　A. fountain B. fix C. tight D. fasten
　　D 当飞机起飞后,乘客被告知要系好安全带。
　　75. This is not what we asked you to do. You can not get more pay for the _____ work.
　　A. owing B. device C. tired D. extra
　　D 这不是我们所要求你去做的事。你不能得到更多的额外工作支付。