 
 <translate> To answer this question, we should know that: The mainstream consensus is that the New Testament was written in a form of Koine Greek, which was the common language of the Eastern Mediterranean from the Conquests of Alexander the Great (335 -- 323 BC) until the evolution of Byzantine Greek (c. 600).
So, the final answer is a form of Koine Greek. <ibo> Iji zaa ajụjụ a, anyị kwesịrị ịmara na: Nkwenye ndị isi bụ na edere Agba Ọhụrụ n'ụdị Koine Greek, nke bụ asụsụ a na-asụ na Eastern Mediterranean site na mmeri nke Alexander Onye Ukwu (335 - 323 BC) ruo mmalite nke Byzantine Greek (c. 600). N'ihi ya, azịza ikpeazụ bụ ụdị nke Koine Greek. 