It was about 600 years ago the first dock with a face and an hour hand was made. A. that B——青夏教育精英家教网—

摘要： 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

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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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