Read and choose. 3 Is it a ruler? a) Yes, I am. b) Yes, it is. 1 Are you Emma's brother? a) Yes, I am not. b) Yes, I am. 2 Is she a singer? a) No, she isn't. b) No, she is. 4 Is he Alvin? a) No, you aren't. b) No, he isn't.​