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Lastyearsomemeasurestoprotectcustomers'personalinformationbyWeChat.()A.tookB.weretakenC.hadbeentakenD.wouldtake

题目详情

Last year some measures       to protect customers'personal information by WeChat.(  )

A. took

B. were taken

C. had been taken

D. would take

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答案和解析
答案是B.本题考查一般过去时的被动语态;题干中last year为过去的时间状语,必须与过去时连用;measures与take之间是被动关系,故用一般过去时的被动语态,答案是B.