What would language be like if it was not arbitrary?

What would language be like if it was not arbitrary? what language do you What language _____Tom_____ (speak)? what is body language 用What language造句 what language的中文 What is the best way to learn a foreign language?Which foreign language would you prefer to learn?再加一句：English or another one 的意思 what language does she speak? what language does she speak? language.they.speak.what.do? What language do Chinese speak What language you （speak）? What does their own language In what language to write? what language 与witch language有什么区别? People feel that there should be one true international language ____ everyone would have to learn as a foreign language.A.where B.what C.which D.in which该选什么,但答案为什么是A呢? what would you do if went to a country where you did not speak the language一篇大概2~3分钟的稿子 求英语语言学高手相助!1.Would you say that language is arbitrary?What would language be like if it was not arbitrary?2.How has the TG grammar developed?3.In what ways do vowels differ from each other?4.Why do we say that /t/ and /d/ are diff