单项选择题

The students are encouraged to provide ( ) service to the poor students.

A．valuable
B．volcano
C．voluntary
D．voyage
<上一题 目录 下一题>
热门 试题

单项选择题
London has a larger population ( ) in the United Kingdom.
A．than any city
B．than other cities
C．than all the cities
D．than all the other cities
单项选择题
When drinking from a well, one mustn’t forget ( ) who dug it.
A．this
B．these
C．that
D．those
相关试题