高等继续教育 / 大学英语I
正确率:100%
题型描述: 单选题
___ your letter,I would have started off two days ago.
A.Had I received
B.Should I receive
C.If I could have received
D.If I received
___ your letter,I would have started off two days ago.
A.Had I received
B.Should I receive
C.If I could have received
D.If I received
参考答案:
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