单项选择题

The fire was finally brought under control, but not __________ extensive damage had been caused.

A．before
B．since
C．after
D．as
<上一题 目录 下一题>
热门 试题

单项选择题
Only a selected number of landladies in the neighborhood have been allowed by the university to take in _________.
A．residents
B．lodgers
C．settlers
D．inhabitants
单项选择题
In recent years much more emphasis has been put __________ developing the students' productive skills.
A．onto
B．in
C．over
D．on
相关试题