Запитай друга: What do you usually have for..... breakfast, lunch, dinner, supper??? Помогите, пожалуйста! Нужно подобрать правельный вариант!
What do you usually have for breakfast, lunch, dinner, supper? - устойчивое выражение - не требует артикля.
What do you usually have for eat breakfast, lunch, dinner, supper?