Odpowiedź :
1. Was your grandmother born in Warsaw?
Yes, she was. / No, she wasn't.
2. Were Dan and his family in London last summer?
Yes, they were. / No, they weren't.
3. Were you and Sasha late for school yesterday?
Yes, we were. / No, we weren't.
4. Was your grandfather born in 1955?
Yes, he was. / No, he wasn't.