1.Travelling by train is not as expensive as travelling by plane.
2.No other form of transport is as fast as flying.
3.The better the car is, the longer it will last.
4.Going by train is just as expensive as hiring a car.
5.The Airbus is almost as fast as the Boeing.
6. The Boeing cannot travel as far as the Airbus.
7.The Boeing is not nearly as big as the Airbus.
8. The Boeing does not carry so many passengers as the Airbus.
9.There aren't as many Airbuses as there are Boeings.
10. I have travelled I haven't travelled on an Airbus as often as on a Boeing.