I'm not sure specifically as I don't have the book in front of me. But it could be about family relationships, friendships, or some adventure that involves family and friends.
The main characters in Family and Friends 2 Unit 4 Story are probably those who drive the story forward. It could be a family with a mother who is very kind and hard - working, a father who is strict but loving, and a child who is curious and always getting into little adventures. There may also be an aunt or an uncle who comes to visit and brings some new things or ideas to the family. These characters' actions, relationships, and dialogues form the core of the story.
Well, I'm not sure specifically what's in 'family and friends 1 unit 9 story' without seeing it. But generally, it might be about family relationships or friendships, perhaps a story that shows how family members or friends interact, support each other, or face challenges together.
We can learn a lot of new vocabulary related to the theme of this story. For example, words about family relationships, daily activities in the family context, etc.