what do you think of arbitrariness?Do animals have language?

what do you think of arbitrariness?Do animals have language? What do you think is the purpose of language teaching What do you think of english as an international language What do you think of learning a foreign language what ()of animals do you have?kind 还是kinds what do you think of protecring wild animals?If we do not he do animals have language?can you show some facts? What other pet animals do you have What do you think we can do ____wild animals? what do you think of what language do you WHat kind of animals do you like?