题目内容
—They ________ have prepared for the meeting more carefully.
—But they didn't. What a pity!
A.shouldn't
B.can't
C.may
D.ought to
D解析:句意:——他们本该更细心地准备会议的。——但他们没有这样做。真可惜!ought to have done表示过去本该做某事而未做。
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题目内容
—They ________ have prepared for the meeting more carefully.
—But they didn't. What a pity!
A.shouldn't
B.can't
C.may
D.ought to
D解析:句意:——他们本该更细心地准备会议的。——但他们没有这样做。真可惜!ought to have done表示过去本该做某事而未做。