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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. 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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