题目内容
--I saw Jim at the meeting yesterday.
--Did you? I think he _____ have attended, for he is an expert.
[ ]
A.needn't B.mustn't
C.shouldn't D.couldn't
答案:A
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题目内容
--I saw Jim at the meeting yesterday.
--Did you? I think he _____ have attended, for he is an expert.
[ ]
A.needn't B.mustn't
C.shouldn't D.couldn't