问题描述: how much is does this belt?为什么要用does 1个回答 分类:英语 2014-11-15 问题解答: 我来补答 不科学吧.how much is this belt?吧 再问: 哦,那加does的形式怎么写,为什么要加does而不是do? 再答: how much does it take?加个take 因为是单数~ 展开全文阅读