Ответ:

1) was

2) was, was

3) was, was

4) Were, were, were

5) Were, was

6) was, was, was

7) Ware, were

8) Was, was

9) was

10) was

Объяснение :

такие предложения лучше было бы употребить в Present Simple, но по заданию выполнила в времени Past Simple