Mary ______ my letter; otherwise she would have replied before now. A. has receivedB. ought to have

题目简介

Mary ______ my letter; otherwise she would have replied before now. A. has receivedB. ought to have

题目详情

Mary ______ my letter; otherwise she would have replied before now.
A. has received
B. ought to have received
C. couldn't have received
D. shouldn't have received
题型:单选题难度:中档来源:四川省模拟题

答案

C

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