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,Module2,14,12,13,11,15,16,17,18,19,20,30,40,80,60,70,50,90,200,400,300,100,500,600,700,800,900,1000,2000,3000,4000,5000,6000,7000,8000,9000,thousand,1200,4800,8200,9600,3300,LookatAmyscomputer.,Itis.beautifulhelpfulexpensivecheapbigpink,1500,Itcosts.,cost-costs,Listenandsay,Howmuchdoesthispencost?,This.costs.yuan.Its.,This.costs.yuan.Its.,A:Lookatthispen.Itsbeautifulandcheap.B:Howmuchdoesitcost?A:Itcosts20yuan.B:10yuan,ok?A:Sorry.B:Itsexpensive.A:15yuan,ok?B:Ok!Hereisthemoney.A:Thankyou.Bye!B:Bye!,Advertisement,Thisdollisverybeautiful.Itcansinganddance.ItcanspeakChineseandEnglish.Ithastwobigblueeyesandgoldenhair.Youcanbuyitforyourdaughter.It_158yuan.Thisisherpicture.,costs,Homework:Recitethetext.,GOODBYE!,Itcosts,
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