2. 外语
  3. Over forty years (pass)______ since the first bridge was built in the district.

Over forty years (pass)______ since the first bridge was built in the district.

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问题 Over forty years (pass)______ since the first bridge was built in the district.
选项
答案has passed
解析 自从在这一地区建造了第一座大桥以来，四十多年过去了。在这里，since是连词，意为"自从"，引导时间状语从句。当从句用一般过去时时，主句用一般现在时或现在完成时。根据句意本句用现在完成时较合适。
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