Where, some, chair, set, and, on, but, box, orange, they, what, how

This is the bedroom（卧室）of Alan’s. It is clean（干净的）. There are （有）pictures on the wall（墙）. There is a of keys and an on the desk. His schoolbag is on the. His jacket is the bed.are his video tapes? are in the drawer.are those on the sill（窗台）？Oh, those are and flowers（花）。where’s his math book? It’s in the schoolbag.