问题描述: MY sister needs TO help(with)her math.为什么中间只有一个with.不是help SB.with STh吗 1个回答 分类:英语 2014-10-04 问题解答: 我来补答 help sb. with sth.help with sth.help sb (to) do sth.help(to) do sth.都是正确的. 展开全文阅读