Здравствуйте! Надо преобразовать предложение "In 1895 Popov gave a working demonstration of the first radio receiver in the world." В шесть типов вопросительного предложения (Общий, специальный, альтернативный, разделительный, вопрос к подлежащему, вопрос к сказуемому). Заранее спасибо!

1. Did Popov give a working demonstration of the first radio receiver in the world in 1895?2. When did Popov give a working demonstration of the first radio receiver in the world?3. Did Popov give a working demonstration of the first radio receiver in the world in 1895 or in 1995?4. Popov gave a working demonstration of the first radio receiver in the world in 1895, didn`t he?5. Who gave a working demonstration of the first radio receiver in the world in 18956. What did Popov do in 1895?