单项选择题

We should be able to do the job for you quickly, ______ you give us all the necessary information.

A．provided that
B．or else
C．as if
D．in case
<上一题 目录 下一题>
热门 试题

单项选择题
Plants can absorb the carbon dioxide through their ______ during the sunlight hours and produce oxygen which human beings need to survive.
A．slots
B．hoses
C．pores
D．sponges
单项选择题
It is I who ______ to blame for the mistake.
A．is
B．am
C．be
D．were
相关试题