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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1250

--- Where is your mother?
--- She has ______ to Sichuan on business. She has ______ there four times recently.

A.gone, gone B.been, been C.gone, been D.been, gone
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Whereisyourmother?ShehastoSich