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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
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It was not until one night_____we were doing our cleaning-up           I got curious and wanted to see what was on the top floor.

A.that;that B.when;so C.that;because D.when;that
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Itwasnotuntilonenightweweredoi