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    While watching television, . A. the doorbell ran B. the doorbell rings C. we heard the doorbell ring D. we heard the doorbell rings 【查看更多】

     

    题目列表(包括答案和解析)

    While watching television, ________. (全国2005)
    A. the doorbell ran             B. the doorbell rings
    C. we heard the doorbell ring     D. we heard the doorbell rings

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