单项选择题

For workers in small firms employment ________ are very rare, working hours are longer and safety records poor.

A．guarantees
B．reservations
C．securities
D．assumptions
<上一题 目录 下一题>
热门 试题

单项选择题
They have agreed to ________ their differences in the interests of winning the election.
A．put in
B．put across
C．put away
D．put aside
单项选择题
Topics for composition should be ________ to the experiences and interests of the students.
A．relevant
B．dependent
C．connecting
D．concerned
相关试题