Fill in: was,wasn't, were or weren't.
1. A: Where ___ you last night, Mark?
B: I ___ at the cinema with Peter.
2. A: Annie ___ at school yesterday.
B: Yes, I know. She ___ sick.
3. A: ___ the children at home yesterday morning?
B: No, they ___. They ___ at the zoo.
4. A: ___ you and Sophie at the mall yesterday morning?
B: Yes. We ___ in Jenny's clothes shop because there ___ a sale on.