Ответ:
- My mum was at the supermarket yesterday.
- Katie was at the stadium two days ago.
- The boys were in the park on Sunday.
- I was in the library yesterday.
- My parents were at work on Saturday.
- There was a baker's opposite the hospital.
- There were some sweets on the table.
- My dad was angry when we were late.
Ответ: 1. was, 2. was, 3. were, 4. was, 5. were, 6. was, 7. were, 8. was, were.
Прекрасно! Ты правильно заполнил пропуски. Продолжай в том же духе, и у тебя всё получится!