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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1635

The average Facebook user in the United States has 245 friends,according to a study ______in February.

A.publishing
B.published
C.publish
D.to publish
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TheaverageFacebookuserintheUni