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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 554

Today many physical bookstores ________ down with financial difficulties, inflexible management strategies and competitive pressure from online bookstores.

A.had closed B.having closed
C.being closed D.are closing
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Todaymanyphysicalbookstoresdow