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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:395

The workers were working from 7:00 a.m. to 7:00 p.m. that day, only ____ once at noon to have their lunch.

A.to stop B.stopping
C.to have stopped D.having stopped
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Theworkerswereworkingfrom7:00a