Hello, I'm Jane. This is our classroom. Look, Many(许多的)things are in it. Is this my pen? Yes, it is. It's yellow. Is that my ruler? No, it isn't. It's Alan's ruler. It's white. My ruler is red. What's this? It's a book. It's green. It's David's book. His name is on the first page(页)of the book. What's that? It's a dictionary. It's blue. Is it Mary's dictionary? No, it isn't. Her dictionary is in her schoolbag. It's Mike's dictionary.