1 Mum/ do the shopping? a Yes, it is.
2 you/ tidy your room? b Yes, they are.
3 I/ dream ? c No, he isn't.
4 they/ argue? d Yes, she is.
5Jack/ have his lunch? e Yes, you are
6 the film / start? f No, I'm not.

Is mum doing shopping? Yes, she is.Are you tidying your room? No, I’m not. Am I dreaming? Yes, you are. Are they arguing? Yes, they are.Is jack having his lunch? No, he isn’t. Is the film starting? Yes, it is.