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英语
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I didn't see himyesterday afternoon,He ------have attended it
选择：A couldn't B;can't
回答要著名的理由哦
人气：252 ℃ 时间：2019-11-02 10:17:15
解答
这句的could have done是虚拟语气,意思是 他（昨天）不可能出席（活动）的
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