摘要： your letter, I would have written back two days ago. A. If I received B. Should I receive C. Had I received D. If I could have received
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_____ your letter, I would have written back two days ago.
[ ]
A. If I received
B. Should I receive
C. Had I received
D. If I could have received
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B. Should I receive
C. Had I received
D. If I could have received
_____ 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
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B. Should I received
C. Had I received
D. If I could have received
_______ your letter, I would have written back two days ago.
A. If I received B. Should I receive C. Had I received D. If I could have received
查看习题详情和答案>>