单项选择题

I can't make it because of a previous engagement.

A．primary
B．prior
C．temporal
D．primitive
<上一题 目录 下一题>
热门 试题

单项选择题
The disease was kept under control owing to early diagnosis and treatment.
A．on virtue with
B．for virtue of
C．by virtue of
D．in virtue with
单项选择题
By the treaty each country pledged itself to assist the other in case of war.
A．assured
B．applied
C．obliged
D．promised
相关试题