Употребите притяжательные местоимения (my/ our/ your/ his/ her/ their/ its)
1) "Is that ... car" "No, I haven*t got a car."
2) I*m going to wash .... hair before I go to the concert.
3) "What are the children doing?" "They are doing ... homework"
4) It*s very cold today. Put on ...coat when you go out.
5) Oxford is famous for ... University.

My;my;their;your;its.

1. Is that YOUR car? No, I haven't got a car. 2. I'm going to wash MY hair before I go to the concert. 3. What are the children doing? They are doing THEIR homework. 4. It's very cold today. Put on YOUR coat when you go out. 5. Oxford is famous for THEIR University.