Question

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

--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

Answer 1

D

试题分析：regret to do sth. 很遗憾地做...（事情还没有做）； regret doing sth. 后悔做了...（为已经做过的事而感到后悔），这里表示为已经做过的事而感到后悔，故选D 点评：解答这类题目，关键是理解题干意思以及各选项词组的意思，可以像数学中的代入法一样，依次把各个选项意思放入句子中进行比较，不难选出正确答案。