请阅读下列短文。根据短文内容从下面方框的七个选项中，选择五个适当的句子还原到原文中，使短文意思通顺、结构完整，并将其答案填写到答题卷的相应位置。(每小题2分)
Sixteenyearagoaboygavemeanimportantgift.1.      
Itwastheearlyautumnofmyfirstyearatamiddleschool,andmyoldschoolwasfaraway.Asaresult,nooneknewwhoIwas.Iwasverylonely,andafraidtomakefriendswithanyone.
EverytimeIheardtheotherstudentstalkingandlaughing,Ifeltmyheartbreak.2.     
Thenoneday,myclassmatestalkedhappilywiththeirfriends,butIsatatmydeskunhappilyasusual.Atthatmoment,aboyenteredtheclassroom.3.      Hepassedmeandthenturnedback.Helookedatme,withasmile.
Suddenly,Ifeltthetouch(触动)ofsomethingbrightandfriendly.Itmademefeelhappy,livelyandwarm.4.      Istartedtotalkwithotherstudentsandmadefriends.Daybyday,Ibecameclosertoeveryoneinmyclass.Theboywiththeluckysmilehasbecomemybestfriendnow.
OnedayIaskedhimwhyhesmiled,buthecouldn’tremembersmilingatme!
Itdoesn’tmatterbecauseallthedarkdayshavegone.5.      Ifyouthinkitlonely,youmightalwaysbealone.Sosmileatworldanditwillsmileback.