Any employee working late on a Friday mu

免费题库2022-08-02  24

问题 Any employee working late on a Friday must remember to turn off all computer equip-ment __________leaving for the night.A.then B.until C.before D.because

选项 A.then
B.until
C.before
D.because

答案 C

解析 “before”有“在……之前’’的意思。
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