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    2．computer science 【查看更多】

     

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    Mary___________ computer science last year.

    　　A. studies   B. studied  C. will study  D.studying

     

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    Mary___________ computer science last year.

    　　A. studies   B. studied  C. will study  D.studying

     

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    Mary___________ computer science last year.
    A．studies B．studiedC．will studyD．studying

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    Mary___________ computer science last year.


    1. A.
      studies
    2. B.
      studied
    3. C.
      will study
    4. D.
      studying

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    Margot _________computer science last year.        
    [     ]
    A. studies
    B. studied
    C. will study
    D. is studying

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