1) Would you like some (предлагают, а не спрашивают) milk? - Yes, I'd like some. - утверждение.
2) Betsy went shopping and bought some bread. - утверждение.
3) Are there any (вопрос) letters from Miss Chatter? - Yes, there are some. - утверждение.
4) Were there any(вопрос) raincoats in the shop? - No, there weren't any (отрицание).
5) Can I have some (просит) juice, Mum? - Sorry, but there is no juice in the bottle.- отрицание