I you somewhere before , but your name has escaped me moment . A. must see ; for a moment B. must have seen ; for a moment C. must see ; for the moment D. must have seen ; for the moment 答案是D項.must與不定式的完成體連用表示對過去發(fā)生的事持肯定態(tài)度的推斷.在疑問句中用can.在持否定態(tài)度的推斷時用can not .例如:He must have rid himself of his preumonia last week , for you see , he doesn't cough at all now . (他在上星期肯定治愈了他的肺炎.你看.他現(xiàn)在一點都不咳嗽了.) for a moment表示一個動作延續(xù)了一會兒.而for the moment 則表示"目前,暫時" 【查看更多】

 

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I _____ you somewhere before , but your name has escaped me _____ moment .

        A. must see ; for a moment                 B. must have seen ; for a moment

        C. must see ; for the moment                D. must have seen ; for the moment

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I _____ you somewhere before , but your name has escaped me _____ moment .

        A. must see ; for a moment                 B. must have seen ; for a moment

        C. must see ; for the moment                D. must have seen ; for the moment

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I _____ you somewhere before , but your name has escaped me _____ moment .


  1. A.
    must see ; for a moment
  2. B.
    must have seen ; for a moment
  3. C.
    must see ; for the moment
  4. D.
    must have seen ; for the moment

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I__________ you somewhere before, but your name has escaped me_________.

A. must see;for a moment          B. must have seen; for a moment

C. must see;for the moment      D. must have seen; for the moment

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I__________ you somewhere before, but your name has escaped me_________.

A. must see; for a moment          B. must have seen; for a moment

C. must see; for the moment        D. must have seen; for the moment

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