单项选择题

"Key" time is a period when ______.

A．visitors come to the plants
B．all workers must be at work
C．employers go round in the workshops
D．rush hours are over
<上一题 目录 下一题>
热门 试题

单项选择题
According to Flextime system workers need not ______.
A．work by the same timetable
B．work all the weekdays
C．go to work at weekends
D．go to work in the early morning
单项选择题
Such people ______ knew Tom thought he was a talented young man.
A．as
B．that
C．which
D．so
相关试题