摘要：1574] -----You were brave enough to raise objections at the meeting. -----well, now I regret that. [译文] --你真胆大敢在会上提出反对意见. --是呀.现在我后悔了. A. to do B. to be doing C. to have done D. having done [答案及简析] D. regret表示后悔.后面跟动名词.

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