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發表於:2019-11-23
問題詳情:Todayroller-skatingiseasyandfunny.Butalongtimeago,itwasn'teasyatall.Before1760,theideaof36.________(skate)didn'texist.ThatwaschangedbecauseofamannamedJosephMerlin...
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發表於:2019-06-16
問題詳情: Todayroller-skatingiseasyandfunny.Butalongtimeago,itwasn'teasyatall.Before1760,theideaof61.________(skate)didn'texist.Thatwaschangedbecause62._______amannamedJo...