按要求改写下列句子。

1. There are some boys in the playground. (改为一般疑问句)

    _________  _________  _________ boys in the playground?

2. Is this the art room in your school?(作肯定回答)

    _________,_________  _________.

3. There are two toilets in the park. (对划线部分提问)

    _________  _________  _________  _________  _________ in the park?

4. Please feed the chicken. (改为否定句)

    __________  __________ the chicken, please.

5. There are some boats on the lake. (对划线部分提问)

    __________ on the lake?