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    精英家教网 > 高中英语 > 题目详情
    He       have come here yesterday,        he?
    A．mustn’t;didB．couldn’t;hasC．mustn’t;haven’tD．must;didn’t
    D
    “must+不定完成”表示对过去情况的肯定推测，故反意问句用didn?t he?若无过去时间状语，动词侧重强调现在的情况，即反意问句用haven?t(hasn?t)+主语？如：
    The leaders must have heard about the news,haven?t they?
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