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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 508

. E-mail, as well as telephones, ________ an important part in daily communication.

A.is playing B.have played C.are playing D.play
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.Email,aswellastelephones,anim