练习册

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    16．-Has Sam finished his homework today? 【查看更多】

     

    题目列表(包括答案和解析)

    －Has Sam finished his homework today?

    －I have no idea．He ________ it this morning．

    [　　]

    A．did

    B．has done

    C．was doing

    D．had done

    查看答案和解析>>

    －Has Sam finished his homework today?

    －I have no idea．He ________ it this morning．

    [　　]

    A．did

    B．has done

    C．was doing

    D．had done

    查看答案和解析>>

    －Has Sam finished his homework today?

    －I have no idea. He ________ it this morning.

    [　　]

    A．did
    B．has done
    C．was doing
    D．had done

    查看答案和解析>>

    －Has Sam finished his homework today?

    －I have no idea．He ________ it this morning．

    [　　]

    A．did

    B．has done

    C．was doing

    D．had done

    查看答案和解析>>

    －Has Sam finished his homework today?

    －I have no idea．He ________ it this morning．

    [　　]

    A．did

    B．has done

    C．was doing

    D．had done

    查看答案和解析>>


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