in which sentence is a comma use correctly?
1. on Sunday, I want to go to the museum, all day.
2. Ben likes toast but, I like rolls with my meals.
3. Oscar wants to go to the pool, so that is where we will go.
4. After dinner we went to the, store to shop for shoes.
The sentence with a correctly used comma is:
3. Oscar wants to go to the pool, so that is where we will go.