单项选择题

The committee is ______ session; no one can enter the hall.

A．on
B．at
C．in
D．for
<上一题 目录 下一题>
热门 试题

单项选择题
We do not permit ______ in the office, so we do not permit him ______ here.
A．to smoke; to smoke
B．smoking; to smoke
C．smoking; smoking
D．to smoke; smoking
单项选择题
After I paid the money, the shop assistant gave me a ______.
A．receipt
B．reception
C．receiver
D．receptor
相关试题