This sentence is a special interrogative sentence guided by the interrogative word what. The interrogative word what is followed by the general interrogative sentence structure, that is, the auxiliary verb do+ subject you+ verb prototype like+ others for lunch. "Have lunch" is an expression of "have lunch".

What-guided special questions are common questions in English. What stands for "what" and is used to ask what something is when used alone; To ask what something is, you can use "What are these/those? What are these things? )"。

The collocation of what and some nouns can be used to ask questions in various situations, such as "what colour" for color, "what time" for time and "what size" for size.

Reference answer:

I like hamburgers for lunch.

I like rice and chicken for lunch.

I often eat vegetables for lunch.

Lunch, I like it. ......

I want some potatoes and mutton.