on my red bike还是by my red bike

on my red bike还是by my red bike by my bike还是on my bike my sister often go to school_______是by a bike还是on the bike by my bike还是on my bikeby+交通工具是固定词组吗 How do you go to work?---I often go to work_____.A.by my bike.B.on bike C.on my bike D.by a bike. 他最喜欢的节日是什么 英文The boy on the red bike is my new classmate对划线部分提问 on the red bike I often go to school选择I often go to school______A.ride my bike B.by bike C.by a bike D.on bike by bike/on the bike= 英语中by bike=on a bike还是in a bike by train =on a train还是in a train? By foot 和 on bike My father goes to work( )his bike,while my mother goes( )bus.A.in,on B.by by C.on,by D.by,on I go to work on my bike,为什么是on,不能是by, I was given a new bike on my birthday by my father.（改为被动句） He is on the red bike(对画线部分on the red bike提问） The boy ___the bike is my brother A.on B.by C.in D.about I was given a new bike on my birthday by farther.（改为主动句） on the bike 还是in the bike come to school by bike还是come to school on a bike想补充一句。标准答案是on a bike，by bike同时被认为不正确。因为不理解，所以才有此一问。