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    ( ) -Mary can’t help the house. Why? -Because she is busy a hotel reservation. A. to clean; making B. cleaning; making C. cleaning; to make D. to clean; to make 【查看更多】

     

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    —Mary can't help ______ the house. Why?

                     —Because she is busy______ a hotel reservation.

    A. cleaning; making         B. to clean; making          C. cleaning; to make    

     

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    —Mary can't help ______ the house. Why?
    —Because she is busy______ a hotel reservation.
    A. cleaning; making         B. to clean; making          C. cleaning; to make    

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    —Mary can't help ____ the house. Why?
    —Because she is busy ____ a hotel reservation. 
    [     ]
    A. to clean; making
    B. cleaning; making
    C. cleaning; to make
    D. to clean; to make

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    —Mary can't help ______ the house. Why?
    —Because she is busy______ a hotel reservation.
    A. cleaning; making         B. to clean; making          C. cleaning; to make    

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    —Mary can't help you _______ the house. Why?
    —Because she is busy _______ a hotel reservation.

    [     ]

    A. to clean; making
    B. cleaning; making
    C. cleaning; to make
    D. to clean; to make

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