Make up and write sentences in the plural using the example.

Решение:

Приведён пример преобразования единственного числа во множественное. Следуя этому образцу, преобразуем остальные предложения:

• It's a cat. — They're cats.
• It's a book. — They're books.
• It's a toy. — They're toys.
• It's a bird. — They're birds.
• It's a teddy. — They're teddies.
• It's a car. — They're cars.
• It's a pen. — They're pens.

Ответ: They're cats.; They're books.; They're toys.; They're birds.; They're teddies.; They're cars.; They're pens.