12. this house is the oldest in the street
13. Vinh is shorter than Quang
14. no girl in my class is fatter than hang
15. The Nile river is much longer than the red river
16. How many classes does your school have?
17. That is a small classroom
18.  mary's brother is peter 
19. There are four floors in my house
20. John is Mr and Mrs.black's son
21. Mr ba gets to work by motorbike every day
22. There are six hundred students in my school