I’msureyouknowthesong“HappyBirthday”.Butdoyouknowwhowr...
问题详情： I’msureyouknowthesong“HappyBirthday”.Butdoyouknowwhowrotethesongandforwhomitwaswritten? Theretiredprofessor,ArchibaldA.HillinLousciville,USAcouldtellusthestory.Ninety-sevenyearsago,two...