Alice is tidying her bedroom.She often tidies her bedroom.She tidies it every day.She loves to live in a tidy room.She says she can't play in a messy room.But she doesn't often tidy her bookshelf.It's very messy.She can't find her books.She loves reading.Mary often tidies her room and bookshelf.She will help Alice tidy her bookshelf.Then they can choose some books and read them together.