Question

Choose the correct option to complete the given sentences what_____ for lunch today?

Answer 1

heya
what is there for lunch today.
hope it helps

Answer 2

The correct fill  in the blank for the give question is that what is for lunch today?

Here we use the verb is to make the sentence and question grammatically correct.

The verb now helps us in determining the subject of the sentence as well. therefore this is the correct answer.