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。
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。
问题解答:
我来补答展开全文阅读