I know only a little about food.对only a little提问 ____ _____ ____you know about food?

问题描述:

I know only a little about food.对only a little提问 ____ _____ ____you know about food?

How much do

对程度提问。这里用how muich ,由know可知为一般时,助词用do!
“how much do you know about food?”

How much do you know about food?
How much⋯?对不可数或抽象事物提问.

How much do you know about food?