【正文】
chair? Mum: No, it isn’ t. Bill: Is it behind the door? Let me see. Err...Mum, look, it’ s on the door! You are so fetful! Mum: ... 1. Bill and his Mum are looking for a key. ( ) 2. The key is on the desk. ( ) 3. The key is under the chair. ( ) 4. The key is。 n the door. ( ) 5. Bill’ s mother is a careless(粗心的 )Woman. (