单项选择题

Sound travels in the form(形式)of ______.

A．bones
B．air
C．waves
<上一题 目录 下一题>
热门 试题

单项选择题
The sound of your voice begins ______.
A．inside your head
B．outside your head
C．in your inner ears
单项选择题
When you talk, other people hear your voice ______.
A．through the bones of your head
B．from the outside
C．from the inside
相关试题