赞题库-背景图
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
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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