请问这句话中I have to admit that I am not as good a cook as she is,为什么后面要有这个is呢?

问题描述:

请问这句话中I have to admit that I am not as good a cook as she is,为什么后面要有这个is呢?
不加的话会影响意思和语法吗?

as.as用于同级比较,比较的成分也应该是一样的,第一个as前是I am not ,后面要比较的也应该是she is什么什么,其实she is后是省略了 a cook的,少了is,语法就不对了.