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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1296

She had just finished her homework_________her mother asked her topractice playing the piano yester-day.

A.when B.while C.after D.since
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Shehadjustfinishedherhomeworkh