1 Her new house is smaller than her old one.

2 Peter is the tallest in my class.

3 The white dress is cheaper than the black one.

4 According to me, Maths is more difficult than English.

5 Marry is the most intelligent in my group.

6 The Nile is the longest river in the world.

7 No mountain in the world is higher than Mount Everest.

8 She is the prettiest girl I have ever met.

9 That computer doesn't work as well as this one.

10 This hotel is the most expensive.

11 The sun is hotter than the moon.

12 You are more patient than I am.

13 The table is as big as the desk.

14 The skirt is more expensive than the dress.

15 This crossword is not difficult.

16 This is the most romantic story I've ever read.

17 A bus is less expensive than a taxi.

18 Travelling by train is longer than car.

19 The CD is more expensive than the casette.

20  Matthew is stronger than Daniel.