题目内容：

请帮我改一下下列 英语句子
I have a good idea .(改否定）
she is enjoying the music (改一般疑问、并回答）
the old persons like tv play best(TV piay是划线部分 就划线部分提问）
there is a cartoon onTV (用what提问)

优质解答

I don't have a good idea.
Is she enjoying the music?
Which do the old persons like best?
What is on TV?