Any employee working late on a Friday must remember to turn off all computer equipment ______leaving for the night.

admin2015-10-14  35

问题 Any employee working late on a Friday must remember to turn off all computer equipment ______leaving for the night.

选项 A、then
B、until
C、before
D、because

答案C

解析 “before”有“在……之前”的意思。
转载请注明原文地址:https://jikaoti.com/ti/rg1QFFFM
0

最新回复(0)