Ex1
1. was
2. was
3. were
4. was
5. was
6. were
7. was
8. was
9. were
10. was
11. were
12. was
ex2
1. Was he in London last year?
2. Was it sunny two hours ago?
3. Were Kate and Anna at the cinema yesterday?
4. Were they tired last night?
5. Was the breakfast delicious last morning?
6. Was she very busy yesterday?
ex3
1. I was not at school ten minutes ago.
2. It was not very hot last week.
3. They were not happy yesterday.
4. She was not hungry two hours ago.
5. We were not in Paris last year.
6. My favorite color was not blue many years ago.