Переделать предложения из утвердительных в вопросительные! 1. The experimental passenger cars will have a test run on a specially built track.
2. Before 1895, only steam-driven locomotives operated on US railroads.
3. This new train develops a very high speed since it is fitted with powerful engines.
4. Special railroads such as funiculars are used on steep grades in the Alps.
5. Commuter trains leave from Victoria Station every hour.
