题目内容
If he ________ me his telephone number yesterday,I ________ able to ring him up.
A.told; would be
B.had told; would have been
C.had told; would be
D.told; am
B
由句中时间状语yesterday可知是与过去事实相反的虚拟假设,主句用would have done结构。所以B项正确。
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