________ your blog, I would have written back two days ago.A．If I readB．Should I

题干

________ your blog, I would have written back two days ago.

A．If I read	B．Should I read
C．Had I read	D．If I could have read

上一题下一题 0.85难度单项选择更新时间:2017-08-15 11:03:12

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