1. He has a tennis racket. (改否定句) 
    He _______  _______ a tennis racket.
2. That is her watch. (改为复数形式) 
                  are her              . 
3. I have a soccer ball. (一般疑问句)
    _______  _______ have a soccer ball？
4. Is the soccer ball under the bed? (作否定回答) 
    _______, it _______.
5. That is a backpack. (对划线部分提问)
    _______  _______ in English?