单项选择题

Students always keep candles in their rooms ______ there is a power cut.

A) in case
B) in no case
C) in the case of
D) in case of
<上一题 目录 下一题>
热门 试题

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
单项选择题
The number of college students in our school ______ every year.
A) rises
B) raises
C) amuses
D) lifts
相关试题