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    11．You _____ return the MP3to me now．You can keep it till tomorrow if you wish．（　　）
    A．needn'tB．may notC．mustn'tD．can't

    分析 你不必现在就把MP3还给我．如果你愿意可以留得到明天．

    解答 答案：A needn't不必，may not可以不，mustn't不准，can't不能；句意表达的是没有必要．故选A．

    点评 情态动词的用法是英语中常考的语言点．通常考查的方式有虚拟和推测，本题考查的是情态动词的基本含义．学习时要注意积累．

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