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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1201

Our cousin who is attending college in New York phones us every Sunday at six, _________ as clockwork.

A.usually B.frequently C.regularly D.commonly
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Ourcousinwhoisattendingcollege