II. Choose the right form of the verb to be.

Решение:

Глагол 'to be' изменяется по лицам и числам. Выбор формы зависит от подлежащего.

• A. was
• B. were

1. I was at school yesterday. (Местоимение 'I' требует формы 'was').
2. Tim and his brothers were abroad in August. (Подлежащее 'Tim and his brothers' — множественное число, требует формы 'were').
3. My grannies were in town last week. (Подлежащее 'grannies' — множественное число, требует формы 'were').
4. It was rainy and cold in June. (Местоимение 'It' требует формы 'was').
5. The weather was cool. (Подлежащее 'weather' — единственное число, требует формы 'was').

Ответ: 1. was, 2. were, 3. were, 4. was, 5. was.