I want to make a banana milk shake,piease tell me how much milk do I need.是否正确

题目

I want to make a banana milk shake,piease tell me how much milk do I need.是否正确
是不是正确的？还是把much 换成many

答案

I want to make a banana milk shake,please tell me how much milk do I need.
milk 是不可数名词,所以只能用much