题目内容
Only human beings are able to communicate.
查看答案
搜索结果不匹配？点我反馈
更多问题
Speech and writing came into being at much the same time in human history.
All the languages in the world today have both spoken and written forms.
Language has many functions. We can use language to talk about itself. This function is __________.
Linguistics is the __________ study of language.
微信支付 
支付宝支付