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    Once a reporter receives his assignment from the chief-editor, he has to on his work and tries his best to work on it until the chief-editor it. A. fix his attention; approves B. focus; proves of C. concentrate; approves of D. get down; approves 【查看更多】

     

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    Once a reporter receives his assignment from the chief-editor, he has to ______ on his work and tries his best to work on it until the chief-editor ______ it.  
    [     ]
    A. fix his attention; approves  
    B. focus; proves of  
    C. concentrate; approves of  
    D. get down; approves

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    Once a reporter receives his assignment from the chief-editor, he has to ______ on his work and tries his best to work on it until the chief-editor ______ it.

    A. fix his attention; approves 　B. focus; proves of

    C. concentrate; approves of D. get down; approves

     

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    Once a reporter receives his assignment from the chief-editor, he has to ______ on his work and tries his best to work on it until the chief-editor ______ it.

    A. fix his attention; approves　　 　　　　　　　　　　 B. focus; proves of

    C. concentrate; approves of　　　 　　　　　　　　　　　　　 D. get down; approves

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