_____ your letter, I would have written back two days ago. [ ]A. If I received B. Should I received

题目简介

_____ your letter, I would have written back two days ago. [ ]A. If I received B. Should I received

题目详情

_____ your letter, I would have written back two days ago.
[     ]
A. If I received
B. Should I received
C. Had I received
D. If I could have received
题型:单选题难度:中档来源:0117 期中题

答案

C

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