Whose book is this?答语

Whose book is this?答语 whose is this book? Whose book is this? Whose is this book ?对吗? whose french book is this? 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 Whose is this book?这句话对吗? This is my book用whose提问 whose is this book Whose are these books