Exercise I.
1) His name is Nam.
Her name is Mai.
2) He is 13 years old.
She is 13 years old.
3) He is in 7 grade.
She is in 7 grade.
4) His school is Quang Trung.
Her school is Hung Dao.
5) He lives in 14 Nguyen Du Street.
She lives in 29 Hang Bai Street.