9 Choose the correct word. Write in your notebook. 1 2 A: Who's/Whose Keith? B: He's Mark's uncle. A: Who's/Whose laptop is this? B: It's Mary's. A: Who's/Whose that boy over there? B: He's my cousin. 4 A: Who's/Whose nephew is Tom? B: He's Julia and Sam's nephew. 5 A: Who's/Whose your favourite footballer? B: Lionel Messi. ​