2.
Mary is more polite than Ann.
A car is faster than a bike.
English is easier than German.
Sam is taller than John.
Your ring is more beautiful than mine.
3.
1 Everest is the highest mountain in the world.
2 A whale is the biggest animal on our planet.
3 He is the best student in our class.
4 This is the most interesting story by Dickens.
5 I am the happiest man in the world.
4.
1 The Volga is the longest river in Europe.
2 Life in the country is more relaxing than the city.
3 He is one of the richest people in the world.
4 My house is more modern than yours.
5 The weather today is better than is was yesterday.