viết lại 
1 . Nam is Hoa is brother 
- Hoa ......................
2 . This house is big
- This is a ...............
3 . I am a teacher
- Mr Nam ............
4 . We are in our classroom 
- She .........
5 . This is a doctor 
- There .....................
6 . Lan has four books on the table 
- I .............
7 . My and Nga live in the country 
- They ............
8 . There are five people in hís family 
- His family ...................
9 . Does your school have thirty classroom ?
- ...................
10. Nga is Hung is sister
- Hung ...............