阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或者括号中词语的正确形式填空，并将答案填写在答题卡标号为61～70

　　阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或者括号中词语的正确形式填空，并将答案填写在答题卡标号为61～70的相应位置上。

　　AmanrecognizedasageniusinbusinesscircleswasinvitedasanhonourguesttoaTVinterview.Everybodywaseagertohearasuccessstoryfromhim.He61.________，onlysaidwithaslightsmile“Wouldn‘titbebetterformetoaskyoufor62.________(advise)onacertainproblem？”

　　Hereistheproblemheraised：“Peopleallrushedtotheplace63.________agoldminehadrecentlybeendiscoveredbuttheywereblockedbyariver64.________(flow)acrosstheonlywaytoit.Whatwouldyoudoifyou65.________(be)amongthem？”

　　“Makearoundabout(绕行的)way，”someonesuggested.

　　“Swimacross，”saidanother.

　　Thegeniussmiled66.________aword.Thenhegavehisview.“Whynotdo67.________elseinsteadofrushingtothemine?Howaboutbuyingaboattodosomeferrying(摆渡)？”

　　Theaudiencewereshocked.Heexplainedcalmly“Themancouldmake68.________greatamountofmoneyfromthepassengers.Theywerewillingtopayfortheferry69.________therewasgoldontheotherbank.”

　　Dowhatothershavenotthoughttodoorsomethingneverattemptedbefore—thatisthekey70.________success.Adifficultcircumstanceintheeyesofawisemanoftenmeansapotentialchanceforsuccess.