专题二代词用恰当的代词补全下面的短文。AAutistic（患自闭症的）childrenarealsoknownas“childrenofthestars”.1.Theymayhavedifficultycommunicatingwithotherpeople，butmusic—asakindofartisticlanguage—canopentheirhearts.Therefore，threeuniversitystudentsdevelopedanappcalledStarrypiatohelpthechildren.TanYilan，ZhangJunweiandCaiYu，spentfivemonthsdevelopingthemusictherapy（疗法）app.Childrensimplyusetheapptoscan（扫描）thingsaround2.them，andtheygetclipsofmusicaswellascartoonimages.Then3.theyusetheclipstocreatesongsandthesongswillberecordedin4.theirmusicdiaries.“Thisisactuallyakindofmusictherapy，throughwhichautisticchildrencanbetterexpress5.themselves，”saidTan.Accordingtotheapp’sdevelopers，traditionalmusictherapyisusuallytakeninhospitals.Autisticchildrensitinfrontofcomputers，doingsomemusiccourses.ButStarrypiaisdifferent.Childrenwouldliketoexperience6.it，becauseitmakestheprocessbelikeagame.Besides，itcanbeusedanytimeandanywhere.Starrypiawillsoonbeavailabletousers.Thedevelopersarealsopreparingtosellthemusicworkscreatedbyautisticchildren，andreturnthemoneyto7.theirfamilies.“Whenwetestedtheapponautisticchildren，8.I/wesawsmileson9.theirfaces.10.Itisworththeeffort，”saidTan.BOnestormynight，theGreenswerewatchingTV.“1.Itismyturntodecidewhatshow2.weshouldwatch，”Dannysaid.“Itmustbeexcitingtowatch3.this！TheKnock-KnockMonster！”“Iknow4.that/thismovie.Themonsterwillknockatthedoorthreetimesbeforeheeatsthepeopleinside！”saidDad.“Itmightbetooscaryfor5.you.”“6.Nothingcanscareme，”saidDanny.However，themoviewasscarierthanhehadimagined.Intheend，Dannywastrembling（哆嗦）withfear.ButDadsaid，“Whatanicemovie！”“Bedtime！”Momsaid.“Nowgotosleep，Danny.”Butthebedroomseemedscarierthanever！Andthelightning（闪电）made7.itmuchworse.“Don’tbesilly.It’sjustamovie，”thoughtDanny.JustthenDannyheardthreeknocksatthedoor.“TheKnock-KnockMonster！”criedDanny，rushingdownstairs.“Dad，Mom，wakeup！TheKnock-KnockMonsterisatthedoor！”criedDanny.“It’sjustyourimagination，”saidDad.Butthen8.theyallheard9.anotherknock.“It’sreal！It’scomingforus，”criedMom.“That’sit.Nomorehidingforme！”shoutedDad.Herushedoutbravelyandopenedthedoor.To10.theirsurprise，the“Monster”wasapizzadelivery（递送）man.Everybodyforgotthattheyhadorderedpizzabeforethemovie！“Sorryforbeingsolate.Suchheavyraintonight.”