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 have never met a prettier girl than this before.
9. The more he works, the more tired he feels.
10. That computer doesn't work as well as this one.
* Ờm ờm, chắc vậy đó bạn =.= *