Задайте к предложениям разделительный вопрос. 1. Henry Cavendish conversed little and always dressed in an old-fashioned suit. 2. He produced inflammable air by dissolving metals in acids. 3. Cavendish worked out a comprehensive theory of electricity.
Henry Cavendish conversed little and always dressed in an old-fashioned suit, didn't he?
He produced inflammable air by dissolving metals in acids, didn't he?
Cavendish worked out a comprehensive theory of electricity, didn't he?