1. This house is the oldest in the street 
2. Vinh is different from Quang
3.No one in my class is faster than Hang
4. The Nile river is much shorter than the Red river
5.How many classes does your school have
6.  That is a small room
7. Mary is Peter's sister
8. There are four floors in my house
9.  Jonh is Mr's and Mrs Black's son
10. Mr Ba gets to work by his motorbike 
11. There are sĩ hundred students in my school