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  • 更新 2022-09-04
  • 科目 英语
  • 题型 选择题
  • 难度 中等
  • 浏览 82

What were Helen and Sally doing when it began to rain heavily?

Helen was sleeping _______Sally was reading a magazine.(  )

A.whileB.untilC.beforeD.after

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WhatwereHelenandSallydoingwhen