Rewrite these sentences, keeping the original meaning.
7. My mother can cook better than me.
8. Jack can play tennis better than him.
9. You spent more money than I do.
10. This book is not as cheap as I think.
11. No one in his class is taller than him.
12. No other films are more interesting than this one.
Japanese cars are the most expensive car in the world.
13. That exercise is not as easy as this one.
14. Jack drives more carelessly than him.
15. He can play the best in the group.
16. This hotel is the most comfortable hotel in the city.
17. The Pacific Ocean is the largest ocean in the world.