Any employee working late on a Friday must remember to turn off all c-考呗网题库移动版

单选题 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

参考答案C

解析:【答案】C。解析：“before”有“在……之前’’的意思。

单选题 While the accounting department is closed, all billing questions will be __________by the customer service department.

A．expired
B．attended
C．replied
D．handled

单选题 After__________ requests by local residents, the private library was opened to the public.

A．repeated
B．repeatedly
C．repetition
D．repeating.

单选题 When the copying process is__________ , a small "Done" window appears on the computer screen.

A．entire
B．total
C．complete
D．whole