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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1010

After three years of hard work, they at last _____ all the money they had borrowed.

A.paid off B.paid back C.paid in D.paid for
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Afterthreeyearsofhardwork,they