用this is造句并转换
问题描述：
用this is造句并转换
答
This is my book.
This book is mine.
答
This is a book.
This is not a book.
Is this a book.
Isn't this a book.
答
Is this the car for sale?
是这辆车在促销么？
答
This is my big dog.
Is this your big dog?
This is not my big dog.
答
This is my finger.
This is not my finger.
Is this your finger?
Isn't this your finger?