John regretted _____ to the meeting last week.

题目

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

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