Ответ:
Who always gets to university by bus? - Вопрос к подлежащему
Does she get to university by bus? - Общий вопрос
How does she get to university by bus? - Специальный вопрос
Does she get to university by bus or bike ? - Альтернативный вопрос
She always gets to university by bus, doesn't she? - Разделительный вопрос