句型转换。
1. His baseball is under the table. (变为一般疑问句)
    _______ his baseball _______ the table?
2. His dresser is next to his bed. (变为否定句)  
    His dresser _______ _______ next to his bed.
3. My keys are on the sofa. (对划线部分提问)    
    _______ _______ my keys?
4. Mike is behind the door. (对划线部分提问)  
    _______ _______ behind the door?
5. I draw pictures on the wall. (变为否定句)  
    I _______ _______ pictures on the wall

句型转换。