Whose is this book?这句话对吗?

Whose is this book?这句话对吗? Whose is this book ?对吗? whose is this book? Whose book is this? How interesting enough book this is!这句话对吗? Can you tell me whose book is it这句话对吗 whose french book is this? Whose book is this?答语 为什么不能说Whose is this book? whose book is this?It's( ). 同义句转换:whose book is this? whose book is this 的同意句