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
<上一题 目录 下一题>
热门 试题

单项选择题
It took me a year to be ______ to the college life.
A．adapted
B．adopted
C．accepted
D．received
单项选择题
The newly-discovered medicine had its ______ only on ordinary colds.
A．influence
B．efficiency
C．impression
D．effect
相关试题