单项选择题

Before you leave the office,______ all lights are out.

A．see which
B．seeing that
C．to see that
D．see to it that
<上一题 目录 下一题>
热门 试题

单项选择题
Through doing this, the teacher will be able to ascertain the extent to______ the children understand what they are reading.
A．how
B．which
C．that
D．what
单项选择题
He immediately replied with an______ YES to the request that he attend the public hearing.
A．effective
B．eloquent
C．emotional
D．emphatic
相关试题