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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 860

in the qucue for half an hour ,the old man auddenly realized he had left the cheque in the car.

A. Waiting B. To wait C. Having waited D. To have waited
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inthequcueforhalfanhour,theold