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
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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