问题
选择题
As is known to us all,_______travels much faster than .
A．lights; sounds
B．light; sound
C．sound; light
D．sounds; lights
答案
答案：B
搜题请搜索小程序“爱下问搜题”
As is known to us all,_______travels much faster than .
A．lights; sounds
B．light; sound
C．sound; light
D．sounds; lights
答案：B