Fill in: who, what (x2), where, whose, which or how old. Write in your notebook. 1 A: Who's she? B: She's my sister. 2 A: ...'s this? B: It's an orange. 3 A: ... is this cake? B: Pedro's. 4 A: ... are they? B: They are 13. 5 A: ... is Andrei from? B: Romania. 6 A: ...'s her name? B: Her name's Sue. 7 A is your favourite drink: milk or tea? B: Tea.