This ____ not be my book. Mine is rather old.

This________be my textbook.Mine is rather old 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 not mine May be [ 〕 A someone's else Bsomeone e This book is not ___(yours,your),it is___(my,mine) this book is mine. This book is not mine,maybe it is_____. This book is my book This book is mine 两句都对吗? [-C37] This book _____ .Mine is on my desk. This is not my pencil-box.____ is in the bag.A.My B.Mine C.M this i book is mine 1.This is my book.2.This book is mine.其中句中,谁是