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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 2088

The company used 50 percent of the raw materials, the rest of which __________ sent to other cities to help the factories there.

A.is B.was C.are D.were
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Thecompanyused50percentofthera