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    --- This returned Chinese scholar has become one of the top experts in this field. --- Yes, I know him very well. He in Africa on wild animals for eight years. A.has worked B.had worked C.worked D.has been working 【查看更多】

     

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    —This returned Chinese scholar has become one of the top experts in this field .

        —Yes , I know him very well . He  ____in Africa with wild animals for eight years .

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

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    ----This returned Chinese scholar has become one of the top experts in this field.

    ----Yes,I know him very well.He____in Africa with animals for eight years.

    A、has worke B、had worked C、worked D、has been working

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    —This returned Chinese scholar has become one of the top experts in this field .

    —Yes , I know him very well . He         in Africa with wild animals for eight years .

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

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    —This returned Chinese scholar has become one of the top experts in this field.

        —Yes , I know him very well. He ___________ in Africa with wild animals for eight years.

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

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    ---This returned Chinese scholar has become one of the top experts in this field.

    ---Yes , I know him very well. He ______ in Africa with wild animals for eight years.


    1. A.
      has worked
    2. B.
      had worked
    3. C.
      worked
    4. D.
      has been working

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