Is ___ possible ___ us to work out all the questions in such a short time?
A. it, for B. that, ofC. it, of D. that, for
人气：369 ℃ 时间：2019-11-06 07:18:58
解答
你好!
这里选择A
考察了it作为形式主语,真正的主语是后面的to不定时的考点,以及一般疑问句
换元本句就是：
It is possible for us to work out all the questions in such a short time
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