根据以下材料，回答 RowenaandBillyWrangleraremodelhighschoolstudents.Theystudyhard.Theydoextremewellonachievementtests.Andnextyear,RowenawillattendingHarvardUniversity.Billy,heryoungerbrother,hopetogotoCornell.ThatmakesRowenaandBillydifferentfrommoststudentsarethattheydon′tgotoschool.Infact,they′veneverbeentoschool.Sinceakindergarten,theyhavestudiedathome.NeitherRowenaorBillyfeelsasiftheyhavemissedoutonnothingbybeingtaughtathome.AsmanyofthemorethanonemillionpeoplewhoreceivehomeschoolingintheUnitedStates,theyfeeliftheyhavegottenagoodeducation. 第1处错误___________
extreme→extremely。 考查副词。修饰副词well的只能是副词，故用extremely。
