问题
选择题
I would have paid a visit to you _______ possible.[ ]
A. if it were
B. would it be
C. had it been
D. should it have been
答案
答案：C
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I would have paid a visit to you _______ possible.[ ]
A. if it were
B. would it be
C. had it been
D. should it have been
答案：C