-----You were brave enough to raise objections at the meeting.　　-----Well, now I regret th

发布时间：2020-08-17 14:24:09

-----You were brave enough to raise objections at the meeting.　　
-----Well, now I regret     that.
A. to do
B. to be doing
C. to have done
D. having done

网友回答

A. to do
B. to be doing
C. to have done
(答案→)D. having done
解析： regret doing sth.后悔作了什么。
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