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    科目： 来源：不详 题型：单选题

    — Must I finish my homework now, Mum?                       
    —No, you _____. You can do it tomorrow.
    A．mustn’tB．needn’tC．can’tD．shouldn’t

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    科目： 来源：不详 题型：单选题

    -- Are these _______ all from No. 2 Middle School?
    -- Yes. They often _________ their free time to help the old here.
    A．volunteers; volunteersB．volunteer; volunteers
    C．volunteers; volunteerD．volunteer; volunteer

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    科目： 来源：不详 题型：单选题

    ---Dad, must we wait until the light becomes green?
    ---Yes,I’m afraid we      .That’s the traffic rule.
    A．canB．mayC．have toD．need

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    科目： 来源：不详 题型：单选题

    All of us must do_______ to help protect the environment，or we will have more hazy weather雾霾天气.                                    
    A．something usefulB．anything usefulC．useful somethingD．useful nothing

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    科目： 来源：不详 题型：单选题

    —I ________ speak English in class because I’m afraid of making mistakes.
    —Don’t be shy. Believe in yourself and everything will be OK.
    A．needn’t B．dare notC．dare not toD．needn’t to

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    科目： 来源：不详 题型：单选题

    Must we finish all the homework today or tomorrow?                    
    – You ____ worry about it. You may hand it in next week.
    A． mustn’tB．can’tC．needn’tD．shouldn’t

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    科目： 来源：不详 题型：单选题

    —Is this Toby’s iPhone5，Jenny ?
    —No，it________be his. His is black
    A. muctn’t        B. can’t        C. may not.

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    科目： 来源：不详 题型：单选题

    I ________ be a little bit slow, but at least I don’t make foolish mistakes.
    A．shouldB．mayC．mustD．need

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    科目： 来源：不详 题型：单选题

    Few weight-loss pills can help to keep people slim, _______?
    A．do theyB．dodt theyC．can't theyD．can they

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    科目： 来源：不详 题型：单选题

    Can you  play tennis ?   --_______
    A. No , he can’t   B. Yes , I can  C.  No, I’m not

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