Odpowiedź:
1 How often do you eat salad? I eat salad once a week.
2 Where do you have lunch? I have lunch in the dining room.
3 When do you eat fast food? I eat fast food every sunday.
4 How often do you get lunch from a takeway? I get lunch from a takeway twice a week.
5 When do you have lunch at home? At home, I have lunch at 1 o'clock.
Wyjaśnienie:you jest to 2 osoba liczby mnogiej- zgodnie z zasadą present simple w stwierdzeniach i pytaniach piszemy "do" ;)