题目内容
I regret _____ hard at school, or I would have succeeded in passing the exam.
A. not to work B. having not worked C. to have not worked D. not having worked
D
regret doing sth.后悔做过某事;regret to do sth.遗憾(抱歉)地要做……。
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题目内容
I regret _____ hard at school, or I would have succeeded in passing the exam.
A. not to work B. having not worked C. to have not worked D. not having worked
D
regret doing sth.后悔做过某事;regret to do sth.遗憾(抱歉)地要做……。