帮忙改一下下面的句子：
问题描述：
帮忙改一下下面的句子：
I think it's not easy.
Do homework is intersting too!
答
I don't think it's easy.
think等词使用于否定句时,否定应在“think”处
Doing homework is interesting too!
此处“is”已经是实意动词了,而句中只能有一个,故将DO变为doing