This book is Lily?改错 小学四年级 急~~~~~~~~~~~~~~

This book is Lily?改错 小学四年级 急~~~~~~~~~~~~~~ Lily,is this book()? 改错：is this book your? this is (Lily) book Lily 用加's This a book is good 怎么改错 this is his the best book改错 改错题：This is a my book. 改错Who's book is this?（） 改错 Who's book is this? 改错This is a expensive book this is lily`s and lucy`s room 改错 This bedroom is Lucy's and Lily's 改错 This is the book that I bought it yesterday.改错 英语改错.He thinks this book is very interested. 改错、 This book is the same from that one This book is different with that one(改错 This book is as more interesting as that one 改错 Is this the book for which you are looking 改错