Заменим имена существительные местоимениями.
- a happy boss <strong>he</strong>
- two funny puppies <strong>they</strong>
- a little pony <strong>it</strong>
- four red foxes <strong>they</strong>
- my grandfather and I <strong>we</strong>
- nice cities <strong>they</strong>
- this dress <strong>it</strong>
- my mother and a baby <strong>they</strong>
- his boss and his father <strong>they</strong>
- his brother and you <strong>you</strong>
- eight white teddies <strong>they</strong>
- his grandmother <strong>she</strong>
- that box <strong>it</strong>
- I and my ponies <strong>they</strong>
- my family and I <strong>we</strong>
Ответ: смотри решение в ответе