come to school by bike还是come to school on a bike

问题描述:

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。

come to school by bike和come to school on a bike都是对的,当然还可以表达成:ride to school