完形填空Aboythoughtthathewasthemostunhappypersonintheworld....
問題詳情：完形填空Aboythoughtthathewasthemostunhappypersonintheworld.Hethoughthewas 1 becausealmosteverythingbadalwayshappenedtohim.Sohewantedtofindthekeytohappiness.Hewalkedalongwayandfinallycame...