4、rs第二人称单数you(你)youyour(你的)yours复数you(你们)youyour(你们的)yours第三人称单数he(他)himhis(他的)hisshe(她)herher(她的)hersit(它)itits(它的)its复数they(他们/她们/它们)themtheir(他们的/她们的/它们的)theirs练习题一、选择a或an或some. pen bag apple big
5、apple bananas orange books water 二、写出下列各词的复数.watch_______child_______day________foot________book_______sheep______box_______peach______man______fish_______paper_______三、选择:1、There onthewall.Theyareverybea