Решение:
Для составления вопросов и ответов используем глагол 'to be' в нужной форме.
- Is Mike's dog little? - Yes, it is.
- Are Mike's dogs little? - Yes, they are.
- Did Helen's cat got a kitten? - No, it didn't.
- Do you like to play with Mr Green's son? - Yes, I do.
- Does the boys' aunt live in London? - No, she doesn't.
Ответ: 1. Is... it is. 2. Are... they are. 3. Did... it didn't. 4. Do... I do. 5. Does... she doesn't.