I always go to work by u_____because it is fast and safe

问题描述:

I always go to work by u_____because it is fast and safe

underground 地铁

underground

by underground = by subway 乘地铁


祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!