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    ---How often do I need to feed the birds? ---They food every day, or they will be hungry. A) must give B) mustn’t give C) must be given D)mustn’t be given 【查看更多】

     

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    —How often do I need to feed the birds?
    —They _______ food every day, or they will be hungry.
    [     ]
    A. must give
    B. mustn't give
    C. must be given
    D. mustn't be given

    查看答案和解析>>

    —How often do I need to feed the birds?

    —They ________ food every day，or they will be hungry.

    A. must give              B. mustn’t give      

    C. must be given          D. mustn’t be given

     

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    —How often do I need to feed the birds?
    —They ________ food every day，or they will be hungry.
    A．must giveB．mustn’t give
    C．must be givenD．mustn’t be given

    查看答案和解析>>

    —How often do I need to feed the birds?
    —They ________ food every day，or they will be hungry.
    A．must giveB．mustn’t give
    C．must be givenD．mustn’t be given

    查看答案和解析>>

    －How often do I need to feed the birds?

    －They _________ food every day, or they will be hungry．

    [　　]
    A．

    must give

    B．

    mustn’t give

    C．

    must be given

    D．

    mustn’t be given

    查看答案和解析>>


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