根据要求改写句子。
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)
__________________________.
