题目内容
—You know that you were driving at 100 kilometers per hour, don’t you?
—No, officer, I _____ have been. This car can’t do more than 80.
A. mustn’t B. shouldn’t C. may not D. couldn’t
D
解析:
本题考查情态动词的用法。从句意可知那个驾驶员在听了交警对他的控告后作出辩解“这是不可能的,我的车时速超不了80公里”,表示对过去的事做出否定推测用couldn’t have done。
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