Our company always advertises the latest models.
1. Does our company always advertise the latest models? - общий вопрос.
2. Does our company always advertise the latest or the earliest models? - альтернативный вопрос.
3. What does our company always advertise? - специальный вопрос.
4. Our company always advertises the latest models, doesn't it? - разделительный вопрос.
5. Who always advertises the latest models? - вопрос к подлежащему.