Задайте разные типы вопросов к следующим предложениям: 1. Many useful facilities have been invented in the 20th century. (how many)
2. New inventions accelerate human life. (or social life)
3. His nervous way of speaking betrayed that he was telling a lie. (general)
4. The seamen were coping bravely with dangerous waves. (with what)
5. In future transport will never be delayed. (when)