the professor paused as if ------his students to ask questions on the point he had just made.
a,expecting b,to have expected c,expeted
人气：347 ℃ 时间：2019-10-25 05:29:41
解答
as if 后面能接 had done / did / were /woulld do
所以选C
H意思是 老师听了一下 好像是希望学生对刚才讲的提出问题
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