Read and choose. Example: Whose is this? c) It's Donna. d) It's Donna's 1) What's this? c) It's a computer. d) They're computers. 2) Who's she? a)She's my sister. b)It's my sister's. 3) What are these? a)It's an armchair. b)They're armchair. 4) Whose is this ball? a)It's Maya. b)It's Maya's.