Question

Помогите пожалуйста ! Поставить разделительный вопрос в приложения: 
1) The postmen bring the mail twiсe а day.
2) My brothers work at a big electronics company.
3) The children walk to school every morning. 
4) Generally they go to the University by bus.

Answer 1

1) The postmen bring the mail twiсe а day, don't they?
2) My brothers work at a big electronics company, don't they?
3) The children walk to school every morning, don't they?
4) Generally they go to the University by bus, don't they?