单项选择题

We adopted the new methods with a view to ______ our efficiency.

A．raise
B．raising
C．rise
D．rising
<上一题 目录 下一题>
热门 试题

单项选择题
I lost my bag the day before, but it ______ now.
A．has found
B．was found
C．has been found
D．is found
单项选择题
It is essential that we ______ measures to protect the ozone layer.
A．will take
B．should take
C．would take
D．took
相关试题