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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1001

---How long did it _____ you to work out the difficult maths problems?
---I ______ about half an hour on it .

A.take ; took B.spend ; took C.spend ; cost D.take ; spent
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