WashingtonD.C.isthecapitaloftheUnitedStates.It'sthecent...
問題詳情:WashingtonthecapitaloftheUnitedStates.It'sthecenterofthenationalgovernment.It'sabusy,workingcitywithalargepopulation.Butwhatismore,Washingtonisalsoacityofhistoryandculture.Washingtonwascreated...