单项选择题

We have to think very carefully before we take any action, because it's a very serious situation we have encountered.

A．ideal
B．favourable
C．good
D．severe
<上一题 目录 下一题>
热门 试题

单项选择题
Gunpowder was used extensively in firearms prior to 1990.
A．in
B．around
C．from
D．before
单项选择题
It's tough looking for a job these days.
A．different
B．digital
C．difficult
D．direct
相关试题