2. Van Hau is the best player in the group
3. My uncle's house is smaller than my house
4. The book I bought last year is not as interesting as this one
5. My grandmother is the eldest person in my family
6. Quang Hai is the smartest student in my class
7. My sister can cook better than me
8. I've never tasted a more delicious cake than this
9. Van Lam is the most honest peson I have ever met
10. Your mother is the most kind-hearted person 
11. Mr.Park is the best coach in this country
12. Is this the biggest hat ?
13. New World Saigon is the most luxurious hotel in the city
14. Dinh Trong doesn't drive as carefully as him
15. The white dress isn't as expensive as the black one
16. The Mekong River is the longest river in Southest Asian
17. He is the nicest boy I have ever met
18, The more difficult the games are, the more excited the children are
19. The more books you read, the more knowledge you gain
20. The better at English you are, the more chances you get a job international organisations