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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1068

It was nearly an hour _____________ the sleeping pill _____________ effect.

A.when; took B.before; took C.since; takes D.before; would take
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Itwasnearlyanhourthesleepingpi