单项选择题

It is useful to be able to predict the extent ______ which a price change will affect supply and demand.

A．with
B．from
C．for
D．to
<上一题 目录 下一题>
热门 试题

单项选择题
It was not until he arrived at the station ______ he realized he had forgotten his ticket.
A．when
B．that
C．for
D．in
单项选择题
Do yon remember______ Professor Fan during your last visit
A．introducing
B．being introduced to
C．to have introduced to
D．to be introduced to
相关试题