2-13.Our physics teacher told us that light travelled much faster than sound.back to错了应该改为为什么～

分类: 作业答案 • 2021-12-20 02:29:33

问题描述：

2-13.Our physics teacher told us that light travelled much faster than sound.
back to错了应该改为为什么～

答

大哥哪有back to 啊

答

travelled ---> travels
是事实,所以用一般现在式

2-13.Our physics teacher told us that light travelled much faster than sound.back to错了 应该改为 为什么～