题目内容

14．My mobile phone is missing．Who _____ it？（　　）
A．must have takenB．should have taken
C．could have takenD．need have taken

分析 我的手机不见了；可能会使谁拿的呢？

解答 答案是C．本题考查"情态动词+have done"的结构．must have done用在肯定句中表示推测"肯定已经…"；should have done是虚拟语气"本应做但事实上却没有做"；could have done既可表示虚拟语气"本可能…"，也可以用在否定句和疑问句中表示对过去的或已经发生的事件的推测"可能已经…"；通常不用need  have done．根据句意可知，说话人询问"可能是谁拿了呢？"，是疑问句中表示推测，由此判断答案选择C．

点评 要在正确理解情态动词的基本含义的基础上，整体理解语境中的情感态度，做出合理的判断．

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