yes,______. it is it's my mine ______. __ book. 2 物主代词: 形容词性: my your his her its our their 名词性: mine is in my schoolbag. a. his b. hers c. mine form of the words from the box her hers his its mine my whose 2015秋外研版(一起)五上module 5《unit 1 it's mine》课件ppt