Відповідь:
1) I think skiing is easier than horse riding.
2) A motorbike is more powerful than a scooter.
3) I think that travelling by train is the most relaxing form of the transport.
4) You walk more slowly than I do.
5) The worst time to travel is on holiday weekends.
6) The furthest I've ever driven is from London to Edinburgh.
7) The London underground is the oldest than the subway in New York.
8) This is the hottest coach I've ever been to.
9) Of all my family, my mum is the best driver.