问题描述：
英语.很easy~
I go _____(bus) to school
on bus?for bus?by bus?
at bus?in bus?to bus?
必要时可添加.a
I go _____(bus) to school
on bus?for bus?by bus?
at bus?in bus?to bus?
必要时可添加.a
问题解答：
我来补答展开全文阅读