句型变换This is a book.[改为一般疑问句]________________a book?Is that a
句型变换
This is a book.[改为一般疑问句]________________a book?
Is that a baseball?[进行否定回答]_______________.
It's a key to the door.[用a key to the door提问]
——————————————it?
Is this his pen?[改为否定陈述句]
————————————.
What's that in English?[用school ID card回答]
——————————————.
各位帮我变换一下吧!急!