She wrote a month ago, ______ we’ve heard nothing.A．since when B．before whichC．s_刷题宝

题干

She wrote a month ago, ______ we’ve heard nothing.

A．since when

B．before which

C．since that

D．after which

上一题下一题 0.64难度单项选择更新时间:2014-04-07 07:52:43

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