To be in the past

A: Where______ you at 9 p.m. on Sunday?

B: I was at home wathing a film.

A: Where was your book?

B: It ____ on my desk.

A: ____ you surprised to get your keyboard back?

B: Yes, I was. I was very happy.

A: Where was Bob's violin?

B: It ___ in his room. It was in music school.

A: Were they hungry after the volleyball game?

B: No, they ___

A: ___ they at school yesterday?

B: No, it was Saturday.