Exercise 11. Write my, your, his, her, its, our or their. a) Marion and Helen are students ..... school is big. b) I'm a taxi driver. This is .... taxi. c) You're a musician. Is that .... piano? d) The horse is brown ......tail is black. e) He's a doctor. This is ......coat. f) We are tennis players. These are ...... tennis racquets. g) Pam is a photographer. This is ....... camera. h) That is Jim and Mike....... father is Welsh.​