6. задайте 4 типа вопросов и вопрос к подлежащему. we learnt how to use life-saving appliances during our training

Did we learn how to use life-saving appliances during our training?
What did we learn during our training?
Who learnt how to use life-saving appliances?
Did we learn how to use life-saving appliances during our training or practise?
We learnt how to use life-saving appliances during our training, didn't we?