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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
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—Was it by cutting down staff ________ she saved the firm?
—No,it was by improving work efficiency.                          (2012·上海,37)

A.when B.what
C.how D.that
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—Wasitbycuttingdownstaffshesav