This is my book.This book is mine造句

This is my book.This book is mine造句 this book is mine. this is my book. this book is mine 区别是什么? this i book is mine This book is my book This book is mine 两句都对吗? 1.This is my book.2.This book is mine.其中句中,谁是 [-C37] This book _____ .Mine is on my desk. This ie my book和this book is mine的区别 This book is mine的同义句 1.This is my book. My book this English is this book is mine book.哪里错了?怎么改?