—You realize that you were driving at 100 mph, don’t you?<br>—No, officer. I ______. This car can’t do more than 80.

题目类型: 单选题

题目内容

—You realize that you were driving at 100 mph, don’t you?
—No, officer. I ______. This car can’t do more than 80.

题目选项

A. didn’t need to be
B. may not have been
C. couldn’t have been
D. needn’t have been

正确答案

C

题目解析

这儿指的是刚才不可能以每小时100英里的速度行驶,说的是发生在过去的事,所以排除A,A to 后是动词原形,此处要用have done 表发生在过去的事。B,C,D 之间是情态动词的区别,may 的可能性很小,needn't 是不必的意思,只有couldn't 表示不可能

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