Task 2. Поставьте нужную форму глагола to be в предложения 1. My mother ... at work yesterday. 2. Two weeks ago we ... in the zoo. 3. I... happy on Sunday. 4. My dog... in the country in summer. 5. Olya and Kolya... at school yesterday.

Ответ:

• 1. My mother was at work yesterday.
• 2. Two weeks ago we were in the zoo.
• 3. I was happy on Sunday.
• 4. My dog was in the country in summer.
• 5. Olya and Kolya were at school yesterday.

Объяснение: В данном задании мы использовали глагол 'to be' в прошедшем времени (Past Simple). 'Was' используется для единственного числа (I, he, she, it, my mother, my dog), а 'were' для множественного числа (we, you, they, Olya and Kolya).