2)A car is more expensive than a bicycle.
A bicycle is more cheapper then a car.
A car isn't slowwer than a bicycle.
A bicycle is as comfortable as a car.
3)A rat is dirtier than a dog.
A rat is more intelligent then a dog.
A dog is noisier then a rat.
A rat isn't as friendly as a dog.Надеюсь помогла)))))