请将"This is a book."改为否定句,一般疑问句和特殊疑问句.

问题描述:

请将"This is a book."改为否定句,一般疑问句和特殊疑问句.
把“This is a book."改成英语的否定句、一般疑问句和特殊疑问句.

很高兴能够在这里回答你的问题,填写
否定句
This isn't a book.
一般疑问句
Is this a book?
特殊疑问句?
What's this?