Ответ:
Does he have supper at 7 o'clock? He doesn't have supper at 7 o'clock.
Does he have a smoke after supper? He doesn't have a smoke after supper.
Do I have a shower every morning? I don't have a shower every morning?
Do we have lunch at 11? We don't have lunch at 11.
Does David have breakfast at 9? David doesn't have breakfast at 9.
Does Julia have a break at 12? Julia doesn't have a break at 12.
Do they have their holidays in summer? They don't have their holidays in summer.
Do we have three meals a day? We don't have three meals a day.
Структура Present Simple:
(если есть).
(если есть).
(если есть).
ставится с местоимениями 
ставится с местоимениями 