请问go on foot on foot walk有区别吗?

请问go on foot on foot walk有区别吗? walk和on foot有什么区别 有Walk on foot这种说法么.. my foot go on walk on feet 还是 walk on foot I often go ?.?处是填by foot,by walk,on feet还是on foot? They walk go to school .和 They are go to school on foot.有什么区 They go home on foot go on foot 怎么造句? go on foot 怎么造句 Can I go on foot? I go to school on foot.____ _____to school on foot?请问横线中怎么填?