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...

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 1895 6. What did Popov do in 1895?