Exercise 2. Complete the sentences with the words given.
1. Journey time can be reduced by using ___________________trains.
2. Is there such a thing as a(n) ___________________car?
3. They developed unmanned ___________________vehicles (UUV) for several tasks under the water of oceans.
4. That ___________________car can take off from a runway like a plane, but it can also drive on the road.
5. The system of ___________________can carry passengers or cargo at speeds of over 1,000 km/h, ten times faster than traditional train.
6. One suggestion to solve the problem of traffic jam is to build ___________________rather than the underground or ordinary trains.
7. The ___________________and railways in big cities carry a large number of passengers every year.
8. They should install more lights to improve road ___________________in this area.
9. Workers will use ___________________- devices on the back to push the wearer through the air - to complete work in high places, such as cleaning skyscraper windows.

10. In that science fiction film, ___________________help people to travel between the planets.