单项选择题

They ______ the dust by having double windows.

A．put down
B．shut out
C．cut short
D．taken off
<上一题 目录 下一题>
热门 试题

单项选择题
It isn't quite ______ that he will change his mind.
A．sure
B．right
C．exact
D．certain
单项选择题
Officers are entitled ______ travel first class.
A．for
B．with
C．to
D．of
相关试题