Read the dialogue and choose the correct item to fill in the gaps.

Look! Here ... a photo of ... Australian friends.
- ... two teenagers in the picture. What are ... names? - Bill and Rose. - Look! ... a Geography book in Bill's hands. Is Geography ... favourite subject? - Yes, ... is. Bill ... a lot of maps ... the walls of his bedroom. - And what about Rose? What's ... favourite subject? - It's Music. She ... a great collection of CDs ... home.