1 Her family have four people 
2 
3 Are there your class have twenty- five students
4

bài III
1. is
2. go
3. is driving
4. walk
bài IV
My house is in the city, (1)......ON......Quang Trung street . behind my house there is a police station. There is a post office in(2)...FRONT......of my house(3) .....NEXT...... to the post office, there is a big supermarket .A lot of poeple go there (4) .....EVERY..... day. My mother is buying vegetable there . In the neighborhood, (5) ..........THERE.........is a bookstore, a drug store and a toy store. To the right (7)...........OF........the toystore , it is (8).........AN......... intersection . It is a dangerous place (9) ...........SO..........there are many road (10) ..........SIGNS.............there.
bài V
1. Her family has four people
2. The hole is in front of my house
3. Are there twenty-five students in your class?
4. He goes to work at a quarter past seven