Todayroller的精选

问题详情：Todayroller-skatingiseasyandfunny.Butalongtimeago,itwasn'teasyatall.Before1760,theideaof36.________（skate）didn'texist.ThatwaschangedbecauseofamannamedJosephMerlin.Merlin'sworkwasmakingmusical...

问题详情： Todayroller-skatingiseasyandfunny.Butalongtimeago,itwasn'teasyatall.Before1760,theideaof61.________（skate）didn'texist.Thatwaschangedbecause62._______amannamedJosephMerlin.Merlin'sworkwasmak...