a
3 He was at a restaurant last night.
4 We weren't at school yesterday.
5 Were you at work last night?
6 She was at the airport yesterday evening.
7 Was he late yesterday?
8 I wasn't in a hurry yesterday morning.
b
3 Was Amy Winehouse American? No, she wasn't.
4 Were Charles Dickens and Jane Austin writers? Yes, they were.
5 Was Carmen Miranda Brazilian? Yes, she was.
6 Were Monet and Matisse musicians? No, they weren't.
7 Was Russel Crowe a teacher? No, he wasn't.
8 Were Steve Jobs and Thomas Edison American? Yes, they were.