1. 句型转换

1. （1） Lucy can cook some delicious food and drink. (改为否定句)
   

   Lucy cook delicious food drink.
   

3. （2） The boy is good at football. (改为同义句)

   The boy     football.

5. （3） Tony can sing some Chinese songs. (改为一般疑问句并作肯定回答)
   

   —Tony sing Chinese songs?

   —, he.

7. （4） David wants to be the cleaning monitor. (改为同义句)

   David   to be the cleaning monitor.

9. （5） The girl can play the piano. (对划线部分提问)

     the girl ?