Укажите верный вариант I usually have a lunch___the office. A.in B.on

I usually have lunch in the office. Обычно я обедаю в кабинете.

Do I usually have lunch in the office?

Who usually has lunch in the office?

What do I usually have in the office?

Where do I usually have lunch?

Do I or does he usually have lunch in the office?

Do I usually or often have lunch in the office?

Do I usually have lunch or dinner in the office?

Do I usually have lunch in the office ot in the cafe?

I usually have lunch in the office, dont I?

I usually had lunch in the office. (Past Indefinite).