1.Ann sings better than Nina.
2 peter is taller than Sally.
3 That was the worst meal I've ever eat.
4The Danube is the most beautiful river in the world.
5 mary's dress is more expensive than Diana's.
6 The red hat is cheaper than the blue one.
7 Asia is the largest continent in the world.
1) better
2) taller
3)worst
4)most beautiful
5)more expensive
6)cheaper
7)largest