单项选择题

A．Every ten minutes.
B．Every other hour.
C．Every hour.
D．Every half hour.
<上一题 目录 下一题>
热门 试题

填空题
It is argued whether people_______(score) lower than 80 should be registered unintelligent .
填空题
It is known to everyone that no smoking (permit) _______in the library.
相关试题