5. Underline the correct question word. A: Who / How are you? 3 A: What / Why are you doing here? B: I'm Sue's brother. B: Im looking for Harry. 1 A: When / Where is your house? 4 A: How / Who old is Roy? B: At 55 Pine Street. B: Eighteen, I think. 2 A: Who / Whose coat is this? 5 A: What / Why are you crying? B: Mine. B: I can't see my father anywhere.