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    Tom in the library every night over the last three months. A. works B. worked C. has been working D. had been working 【查看更多】

     

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    Tom ________ in the library every night over the last three months.

    A. works 

    B. worked

    C. has been working 

    D. had been working

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    Tom        in the library every night over the last three months.

    A. works                     B. worked   

    C. have been working     D. had been working

     

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    Tom        in the library every night over the last three months.

    A. works     B. worked     C. have been working     D. had been working

     

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    Tom _____ in the library every night over the last three months.
    [     ]
    A. works
    B. worked
    C. has been working
    D. had been working

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    Tom __________ in the library every night over the last three months.

    A. works　　　　 B. worked　　 C. has been working D. had been working

     

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