my book is new but this is never than

this book is ( )that one ,but ( )than that one . 1.This is my book. My book this English is this is --(new)book of all this is my new computer Is,new,this,my,friend(.) This book is ----(expensive)than that one book this thicker that is than one This book is ( ) interesting than that one. This book is ( ) interesting than that one This is my book.This book is mine造句 this is my book. this book is mine 区别是什么?