1 . Nha Trang is smaller than Ha Noi City
2 . Life in Da Nang is more expensive than life in HCM city
3 . Da Lat is more exciting than London
4 . Huong River is smaller than Me Kong River
5 . I am taller than Mai
6 . My sister is younger than me
7 . This bag is cheaper than that bag
8 . The country is more quiet than the city
9 . Mai's house is larger than Tuan's house