what's the origin of language （急）

what's the origin of language （急） the origin of language （急） the origin of language （ what’s the reasons for the origin of the christianity? What is the origin of the badminton? what is the origin of orthogonal discomposition? What was the origin of Man? What is the language of the USA? What's the language __ in Germany? what's the language -------（speak) in Germany? What's the language spoken in Germany? what is official language of the ICO