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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 398

We spent many years studying the formation of rocks, experiencing many sufferings and even dealth .But our hard work _____in the end, and we made it.

A.paid off B.paid back C.given away D.came out
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Wespentmanyyearsstudyingthefor