Реши задание на изображении

Ответ:

1. They were in England last summer.
2. He was at school yesterday.
3. I was very happy on Sunday.

Правило:

• was употребляется с I, he, she, it;
• were — с you, we, they.

Проверка: They — множественное число, поэтому were; He и I — формы с was.