2. 财务会计
  3. Any employee working late on a Friday mu

Any employee working late on a Friday mu

免费考试题库2019-12-17  37
问题 Any employee working late on a Friday must remember to turn off all computer equip-ment __________ leaving for the night.
选项 A.thenB.untilC.beforeD.because
答案C
解析“before”有“在……之前”的意思。
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