根据对话判断正（T）误（F）。 Li Lei: Look! What's that on the floor, Lucy? Lucy: Where? Li Lei: Under the chair. Oh, it's a new watch. Is it yours? Lucy: No, it isn't. My watch is at home. I think it's Lily's. She can't find her watch. Li Lei: Excuse me. Lily, is this your watch? Lily: Let me see. Oh, yes, it's mine. Li Lei: Here you are. Put it in your bag. Lily: Thanks very much. Li Lei: That's OK. (     )1. The watch is new. (     )2. The watch is on the chair. (     )3. Lily's watch is on the table. (     )4. Lucy can't find her watch. (     )5. Li Lei must look after his watch.