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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1476

--- Why didn’t Mr. Smith arrive on time for the meeting?
--- He must have been ________ on his way here in the traffic jam.

A.held up B.put up C.taken up D.given up
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