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            our duty        some housework at home

    A. It’s ；to do                                       B. It’s ；doing

    C. That’s；doing                                       D. That’s； to do

     

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           our duty        some housework at home
    A．It’s ；to do B．It’s ；doing
    C．That’s；doing D．That’s； to do

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    Who ________ ________ duty yesterday?


    1. A.
      is, on
    2. B.
      was, in
    3. C.
      was, on
    4. D.
      is, for

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    —The duty of Project Hope is to help poor children,  isn't it?            
    —Yes,  it has built many schools________are for those children.        
    [     ]
    A. what      
    B. that      
    C. who        
    D. where

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    —The duty of Project Hope is to help poor children, isn't it?      
    —Yes,it has built many schools______are for those children.
    [     ]
    A. what    
    B. that    
    C. who    
    D. where

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