You made so many mistakes in the exam.You ___your lessons last might.

You made so many mistakes in the exam.You ___your lessons last might.

题目
You made so many mistakes in the exam.You ___your lessons last might.
A.mustn't have gone over B.needn't have gone over C.shouln't have gone over D.con't have gone over
答案
D .can't have gone over(对过去的有把握的否定推测)你昨晚肯定没有复习功课
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