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    --- Has Sam finished his homework today? --- I have no idea. He it this morning. A did B has come C was doing D had done 【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

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    —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

     

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    — Has Sam finished his homework today?　　

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

    A．did

    B．was doing

    C．has done

    D．had done

     

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    ---- 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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