I ate too much cake为何要用much,而不用many?

I ate too much cake为何要用much,而不用many? I ate too much cake这里为什么用much而不用many 为什么用too much eating而不用too many? It costs too much中为什么用much 不用many 分别用too much、too many、much too造句 用too many.too much与much too填空 改为一般疑问句和否定句 I ate too much. eating too many is not good 为什么不用 too much 用too much too many 造句、 much,so many,too much,much too much chemicals为啥这样用名词后为啥+s不用too many? too many,too much,much区别