单项选择题

The phrase "pick up" here means ______.

A．to raise
B．to get
C．to choose
<上一题 目录 下一题>
热门 试题

单项选择题
The passage is mainly about ______.
A．waves in the air
B．the way you hear your own voice
C．the different ways you and others hear your voice
单项选择题
Sound travels in the form (形式) of ______.
A．bones
B．air
C．waves
相关试题