BE favourite subject is Science. He is very good at it al brother's > That new bicycle is a) Sarah = Well, It's Sam's. This is my a) grandparents 7 Complete the dialogue with the sentences in the box. Hello, Sue. Roy. He is my brother. *) Whose is it your dog? b) Who's at Who's bruch Jane Hey, Gary. How are you? Cary I'm fine. Thank you. Jane That's your brother/brother's car, right? sary. No, his/your car is blue. That's grey Jane. Well, who's/whose car is that? It's my parents/parent is car amily members.​