regret (not)doing sth后悔(沒)做過某事,所以用這個.
regret to do sth后接不定式時無否定式因為這個不定式的動詞都表示說的意思.全句是很遺憾地去說,如 I regret to tell you that you didn't pass the exam.
I regret ____ harder at school.A.not to have worked B.not having worked
I regret ____ harder at school.A.not to have worked B.not having worked
A為什么不對?
A為什么不對?
英語人氣:279 ℃時間:2020-02-06 04:42:54
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