问题
选择题
—You will never believe that it took us two hours to get to the restaurant. —Really? You ________ in a traffic jam.
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答案
C
考察情态动词。Needn’t have done sth本不必做某事,couldn’t have done sth不可能做某事;must have done一定做了某事;should have done本应该做某事;题干考察的是情态动词的用法,表示对过去情况的推测。根据到饭店花了很长时间才知道,一定是遇见了交通堵塞。是对过去情况的一种肯定推测。故C正确。