单项选择题

Peter's father asked him to spend his time on something _________ researching into instead of playing all the time.

A．worthy
B．valuable
C．worth
D．previous
<上一题 目录 下一题>
热门 试题

单项选择题
The new government’s tax raise policy actually led to the result that the incomes from taxation actually _________.
A．shrink
B．delay
C．disperse
D．sink
相关试题