Sheep are older than lambs.
Aluminium is lighter than steel.
Arizona is dryer than California.
Reading is easier than listening.
The West is richer than the Third World.
2 It's a very cheap restaurant. It's the cheapest restaurant in the town.
3 It was a very happy day. It was the happiest day of my life.
4 She's a very intelligent student. She is the most intelligent student in the school.
5 It's a very valuable painting. It the most valuable painting in the gallery.