7、aretwoschoolbags,theredoneismine,theblackoneishers.这里有两个书包,红色那个是我的书包,黑色那个是她的书包。Whose is this pencil? —It’smine.这是谁的铅笔?它是我的。Are these theirbags?No, they aren’ttheirs. They areours.这些是他们的包吗?不,不是他们的。是我们的。相当于名词,后面不再加名词。练习题1.Thisis________(your,yours)pencil.2.T
8、heseare________(my,mine)ducks.3.Theapplesare________(her,hers).4.Theorangejuiceis________(your,yours).5.Thebooksare________(their,theirs).选择填空。yourmyhersyourstheirs1. This is my book._are over there.A. Your