I was in the cinema.(Я был в кинотеатре.)
We were in the museum. (Мы были в музее).
They were in the hospital. (Они были в больнице)
She was in school the school. (Она была в школе)
I was in the circus. (Я был в цирке)
We were in the cafe. (Мы были в кафе)
Ну вот. Надеюсь, ошибок нет.