(Yes или No смотреть по Ex.2)
2. Are Mel's grandparents going to stay in England?
Yes, they are. No, they aren't.
3. Are they going to buy any postcards?
Yes, they are. No, they aren't.
4. Is Sadie going to see her friends this evening?
Yes, she is. No, she isn't
5. Are you going to be a vegetarian?
Yes, I am. No, I am not