1. The red car is more expensive than the black car.
2. Mike doesn't cook as well as Barbara does.
3. His car doesn't run as fast as a race car.
4. Lan sings more beautifully than her sister.
5. I've never tasted such a delicious cake.
6. Mr John is the best teacher in this school.
7. My father used to speak English more fluently.
8. Is this the biggest handbag you have?
9. Your mother is the most kind-hearted person.
10. Nam works as hard-working as Lan does.
