单项选择题

It is extremely urgent that they ______ from the mountain before dark.

A．must be rescued
B．should rescue
C．can be rescued
D．be rescued
<上一题 目录 下一题>
热门 试题

单项选择题
He thinks he will do it himself ______ asking his parents for help.
A．rather than
B．other than
C．instead of
D．in place of
单项选择题
______ his great delight, his painting was accepted for publication.
A．For
B．With
C．In
D．To
相关试题