Ответ:
1. The rivers in America are bigger (comparative) than those in
England.
2. This is a sad (positive) film.
3. This picture is more wonderful (comparative) than that one.
4. Tom and Jerry is the funniest (superlative) cartoon.
5. My grandmother is the nicest (superlative) woman.
6. This book is more interesting (comparative) than your book.
7. My brother is the best (superlative) pupil in the class.
8. Camels are stronger (comparative) than horses.
9. Ann is the most beautiful (superlative) girl in the class.
10. Parrots are smaller(comparative) than hens.
11. It is a very funny(positive) book.
12. Russia is the largest (superlative) country.
13. She is a nice(positive) girl.
14. My brother is older(comparative) than me.