Helpppppppp me Please

21. Nobody in Jane's class is taller than her

22. He plays the piano better than me

23. Only two country in the world richer than Japan 

24. Mount Everest ia the tallest mountain in the world

25. South Pole is not as warm as North Pole

26. Our city arrangement is worde than theirs

27. No continent in the Earth is older than Europe 

28.  Southem people do not speak as fast as people from the north 

29. There is only one student in our class taller than he

30. The Pyramid of Kheops is the most amazing instructure