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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1953

Most companies’ marketing effort is focused on getting customers, with little attention _______ to keeping them.

A.paying B.to pay C. paid D.having paid
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Mostcompanies’marketingefforti