单项选择题

The survey showed that ______ numbers of 15-year-olds were already smoking twenty cigarettes a week.

A．essential
B．steady
C．primary
D．substantial
<上一题 目录 下一题>
热门 试题

单项选择题
The local authorities seemed to ______ for the accident taking place last week.
A．share
B．take
C．criticize
D．blame
相关试题