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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:2012

Microblogs experienced rapid growth in 2011 in China, with the number of microblog Operators, users and visitors ________ several times.

A.to increase B.increased C.increasing D.increase
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Microblogsexperiencedrapidgrow