单项选择题

Koalas(考拉熊) use a range of sounds to communicate with one another ______ relatively large distances.

A．in
B．over
C．by
D．between
<上一题 目录 下一题>
热门 试题

单项选择题
Either you or Lin Ming ______ supposed to do the job.
A．are
B．be
C．being
D．is
单项选择题
______ the cause, they were able to propose to a remedy.
A．Found
B．Having found
C．Have found
D．Having been found
相关试题