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    精英家教网 > 初中英语 > 题目详情
    —Hi, John, I have not seen you for a long time. What _______ recently? 
    —Carrying on some research on wildlife.

    A. have you been doing
    B. have you done
    C. were you doing
    D. did you do
    A
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    科目：初中英语 来源：期末题 题型：单选题

    —Hi, John, I have not seen you for a long time. What _______ recently? 
    —Carrying on some research on wildlife.
    [     ]
    A. have you been doing
    B. have you done
    C. were you doing
    D. did you do

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