Что надобно воткнуть в место точек was или were My mother

1. My mother was at work. Моя мать была на работе.
My mother wasnt at work.
Was my mother at work?
2. It was at school. Это было в школе.
It wasnt at school.
Was it at school?
3. He was in the park. Он был в парке.
He wasnt in the park.
Was he in the park?
4. They were in the cinema. Они были в кино.
They werent in the cinema.
Were they in the cinema?
5. We were at home. Мы были дома.
We werent at home.
Were we at home?
6. I was at the hospital. Я был в клинике.
I wasnt at the hospital.
Was I at the hospital?