We have to wear a uniform, don’t we? Разделительный
Who has to wear a uniform? Вопрос к подлежащему
Do we have to wear a uniform? Общий
What do we have to wear? Специальный
Do we have to wear a uniform or a suit? Альтернативный
1 Do we have to wear a uniform?
2 Do we have to wear a uniform or jeans?
3 Who has to wear a uniform?
4 What do we have to wear?
5 We have to wear a uniform, don't we?
