32. 一You were brave enough to raise objections at the meeting．一 Well now I regret that．A.

问题补充：

32. 一You were brave enough to raise objections at the meeting．

一 Well, now I regret that．

A. to do

B. to be doing

C. to have done

D. having done

答案：

A. to do

B. to be doing

C. to have done

(答案→)D. having done

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