问题 选择题

At first I regretted _____ them to stay, but we soon became great friends.

A.to invite

B.invited

C.to have invited

D.inviting

答案

答案:D

题目分析:考查非谓语动词。句意:起初,我后悔让他们留下来,但是我们很快成了好朋友。regret doing sth表示后悔做了某事;regret to do sth遗憾(将要)做某事,根据句意可知,invite这个动作已经发生,regret后应该用动名词,排除A、B、C,故选D。

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