单项选择题

In the meantime, the question facing business is whether such research is ________ the costs.

A．worth
B．worth of
C．worthy
D．worthwhile
<上一题 目录 下一题>
热门 试题

单项选择题
An ambulance must have priority as it usually has to deal with some kind of ________.
A． urgency
B．danger
C．emergency
D．crisis
单项选择题
The government gave a very ________ explanation of its plan for economic development.
A． comprehensive
B．compound
C． considerable
D．complacent
相关试题