There isn't an Official One , English is the most use in business , technology , modern Sciences , also Chinese has wide- spreading about 2 billion person speak it all over the world , Muslims and Arabs just love the Arabic Language cez it is the Language of our Holy Book '' The Holy Quran'' And God promise to preserve and save this Holy Book till the day of the judgement , so They believe that Arabic is the most strong Language , beside that it was the Mother Language and all of the Other Language came from it , it was the Language Adam '' the Frist Creation in the Earth'' , And the modren science currently proof that '' The Science of the Universe linguistics'' in London University .
Thank you so much