Unit8bigbird!四年级下册tallshortIt’satalltree.It’snotashorttree.It’sashorttree.It’snotatalltree.Iamold,butI’mhappy!Heisnotyoung.Heisnotold.Iamyoung!fatSheisfat.thinSheisthin.It’sabird.It’sabigbird.It’sabird.It’sasmallbird.I’mapeacock.animalsWhatcanyouseeinthispicture?Whereishere?It’saforest.Iamaturtle,anoldturtle!Iamherbaby,ayoungturtle.helpIcanhelpyou!Help的用法Youareagoodgirl!AmIabadgirl?Thankyou!