题目

John regretted _____ to the meeting last week.
not going
not to go
not having been going
not to be going

提问时间：2020-07-18

答案

not going
regret doing sth.后悔做过某事
regret not doing sth.后悔没有做过某事
regret to do sth.很抱歉要做某事