Unit2Myschoolbag BLet stalk HowmanyEnglishbooksdoyouhave Thirty Thirty Thirty Howmanypicture booksdoyouhave Forty Forty Forty Howmanystory booksdoyouhave Fifty Fifty Fifty Let schant 妈妈给我买了什么学习用品啊 What sinit What sinthebox Myschoolbagisheavy What sintheschoolbag 创设情境 你的好朋友买了一个新书包 你非常想知道里面装些什么 你该怎么问你的朋友呢 A Ihaveanewschoolbag B Really Whatcolourisit A It sblue B What sinit A AnEnglishbook twotoysandanotebook B MayIhavealook A Sure Hereyouare Summary Myschoolbagisheavy What sinit Thankyousoooooomuch