11. The green bag is more expensive than the white bag .
12. The square in Ha Noi is bigger than the square in Hoi An .
13. There are 30 classrooms in our school .
14. Please show me the way to the bus stop .
15. Your neighbourhood is noisier than our neighbourhood .
16. The art gallery is smaller than the museum .
17. The swimming pool is cheaper than the sport centre .
18. The shopping centre isn't as older as the market .
19. The amusing park is quieter than the skate park .
20. My cooking is better than the food here .
21. The living room is bigger than the kitchen .