试题题干
Fill in each of the following blanks with a word or an expression.
Cancellability is one of the special feature of conversational 
.
参考答案
试题解析
可取消性是会话含义的特征之一。
Fill in each of the following blanks with a word or an expression.
Cancellability is one of the special feature of conversational .
可取消性是会话含义的特征之一。