Написать вопросы к предложению "december,january,february are winter months".

Are December,January,February  winter months?

December,January,February are winter months, aren't they?

Are December,January,February  winter or summer  months?

Which are  winter months?

What are  winter months?

Which months are winter months?

December, January, February are winter months, aren't they?

Я не знаю какие еще вопросы можно задать)