1、复习课Unit5Whosedogisit?Whosebookisit?It'sMike's.=It'shis.lookandsayWhosecrayonisit?It'sChenJie's.It'shers.It'sours.Whoseschoolisit?Whosebikesarethese?Theyaretheirs.WhoseEnglishbookisit?It'syours.It'smine.Let’swrapitup1.读一读下列单词,小组讨论它们的区别及用法。his her my their our your