来自李燕君的问题
【The22ndand24thpresidentsoftheUnitedStatesofAmericahadthesameparents,butwerenotbrothers.Howcanthisbepossible?】
The22ndand24thpresidentsoftheUnitedStatesofAmericahadthesameparents,butwerenotbrothers.Howcanthisbepossible?

