试题题干
The （）nature of language makes it possible for language to have an unlimited source of expressions.
参考答案
正确答案：
试题解析
语言的任意性使得语言有无限的表达方式。
The （）nature of language makes it possible for language to have an unlimited source of expressions.
语言的任意性使得语言有无限的表达方式。