1, Hung is the best student in math in class 10A
2, Shanghai is the most epensive city in China
3, the new street is noisier than this street
4,Hanoi is smaller than HCM city
5, Going by bus is more economical than driving a car
6, this is the highest score he has received in test/this is the highest score in test he has ever received
7, the show was more entertaining than we had been told
8, this is the worst haircut i have ever had
9,this is the most delicious cake i have ever tasted
10, Mr. Nguyen is the best teacher in this school