17 Не согласись. Образец: Нe is sad. He isn't sad. 1. He is 3 today.

1. He is 3 today. He isn't 3 today.

В данном предложении необходимо использовать отрицательную форму глагола "to be" (is) и указать возраст.

Ответ: He isn't 3 today.