1. His baseball is under the table. (变为一般疑问句)
    __________________________?
2. His dresser is near his bed. (变为否定句)
   ___________________________.
3. My keys are on the sofa. (对画线部分提问) 
    __________________________?
4. Mike is behind the door. (对画线部分提问)
    __________________________?
5. Can you bring your books here? (肯定回答) 
    __________________________.