whoes is this book与 whoes book is this 区别.还有同义句.

whoes is this book与 whoes book is this 区别.还有同义句. whoes is this chair?（同义句） if you know whoes book this is ,plesae call me whoes hat is this?为什么要加whoes和变否定句 Whoes ruler is this.（改错） This book is his.(改同义句) 同义句转换This is my book. this is interesting book改为同义句 This book is interesting改为同义句 is this your book?的同义句 This book is mine的同义句 This is my book改为同义句