Hello! I'm Mrs. Smith. Here  some lost things (东西). are they? They're  in the Lost and Found box. This is a watch.  is blue. David found it this morning. Is it ? These are two red bags. Tom find them. Are they yours? That is a jacket. It is yellow  black. Alan found it this afternoon.   are two pencils. One is blue. One is red. Mary found  in the classroom. By the way, Jack lost his . It's  orange key. He must find it. Can you Jack?