单项选择题

You cannot be _____careful when you drive a car.

A．very
B．so
C．too
D．enough
<上一题 目录 下一题>
热门 试题

单项选择题
So many directors_____, the board meeting had to be put off.
A．were absent
B．been absent
C．had been absent
D．being absent
单项选择题
A ______to this problem is expected to be found before long.
A．result
B．response
C．settlement
D．solution
相关试题