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9、一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 ten years.

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

9、D

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一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 ten years.

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

查看答案和解析>>

科目:高中英语 来源: 题型:

一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 ten years.

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

 

查看答案和解析>>