该句疑问句中为什么不用do?-----How much steps go through from raw materials to products?

题目

该句疑问句中为什么不用do?-----How much steps go through from raw materials to products?

答案

既然用STEPS,好像应该用HOW MANY 才对吧..
助动词省略掉可以使句子结构更紧凑.在一些口语中也很常见,老外说话也不会老是文绉绉的,而是通过语气来表达他真正的意思.
如下面这句:
He is going to school?(升调)