1. (You, your) flat is nice.
2. (He, his) is an engineer
3. (She, her) daughter is thirteen
4. (They, their) friends are economist’s
5. How old is (she, her) ?
6. (They, their) are not students
7. Is (she, her) in that room now?
8. Is (you,your) car good ?
9. Is (he,his) an economist or an engineer
10. Are (they, their) children pupils or students?
11. Is (he, his) day off Sunday of Monday?
12. Are (they, their) at the office or at home now ?
13. Don’t tell (I, my) about it