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    It was about 600 years ago the first dock with a face and an hour hand was made. A. that B. until C. before D. when 答:A.强调时间状语 【查看更多】

     

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    It was about 600 years ago ______ the first dock with a face and an hour hand was made.

    A. that　 B. until　　 C. before　 D. when

     

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