Unit7Isitabird?birdbird小鸟fishhenfroglook这个thefatReviewbird鸟fish鱼hen母鸡bee蜜蜂frog青蛙Reviewlook看the这个fat肥胖的学习目标:Isita...?否定回答:No,itisn't./No,it'snot.肯定回答:Yes,itis.完全形式:No,itisnot.itis=it'sisnot=isn'tisn't=isnotNo,it'snot.it'safrog.it's=itisTheduckisfat.Look!Isitahen?No,it'sabird.练习:IsitaPanda?Isitahen?Yes,itis.知识点:Isita...?肯定回答:yes,itis.否定回答:No,iitisn't./No,it'snot