This book is 100 percent in English.It is really hard for me to read it.是什么意思?

Whose book is this? This is a book whose is this book? This book is yours Lily,is this book()? this is ( ) book. Is this a book? Yes,this is. This is s book.(a book提问) This is my book.This book is mine造句 this is my book. this book is mine 区别是什么? This book is ()(real) interesting 改错：is this book your? is ,an,book,english,this Whose is this book ?对吗? This book is about me. This is () useful story book.. is this her book?回答 This is ( ) book.your|yours