Who / WhoseOnline version Learn about the difference between Who and Whose, in questions and answers, revising the Genitive Case. by Daiana De Angeli 1 ________ pencil is this? a Who b Whose 2 ________ is she? a Who b Whose 3 _______ bike is that? It's cool! a Who b Whose 4 Whose ___________ is this one on the floor? a pen b brother 5 This is ________ eraser. a Paul b Paul's 6 Whose skateboard is this? a It's Karen's. b It's red. 7 ________ is Robert? He's my uncle. a Who b Whose 8 Bart is Lisa's ____________. a sister b brother 9 Robbie is _________cousin. a Kate b Kate's