来自梁军的问题
Asweallknow,light————(travel)fastrthansound.用括号内所给单词的适当形式填空
Asweallknow,light————(travel)fastrthansound.
用括号内所给单词的适当形式填空


Asweallknow,light————(travel)fastrthansound.用括号内所给单词的适当形式填空
Asweallknow,light————(travel)fastrthansound.
用括号内所给单词的适当形式填空
Asweallknow,lighttravelsfastthansound.