Решение:
Нужно выбрать правильную форму глагола 'to be' - was (для единственного числа) или were (для множественного числа).
- 1. I was 5 years old when I started to read easy stories. (I - единственное число)
- 2. Jill's parents were at the café yesterday evening. (parents - множественное число)
- 3. Fred was happy to see his granny last week in the village. (Fred - единственное число)
- 4. My cousins were in the 11 grade when they passed exams. (cousins - множественное число)
- 5. You were very funny yesterday, thank you for you mood. (You - всегда множественное число в этом контексте)
Ответ: 1. was, 2. were, 3. was, 4. were, 5. were