问题 选择题

Mr. Smith, I should tell you this is the fifth time you ______ me for my twin sister.

A.have mistaken

B.are mistaking

C.mistook

D.are mistaken

答案

答案:A

题目分析:句意:史密斯先生,我应该告诉你这是你第五次把我误认为是我的孪生妹妹。根据前面的this is the fifth time可知,后面用现在完成时。故选A。

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