试题题干
Fill in each of the following blanks with a word or an expression.
What a speaker actually says on a certain occasion to a certain person is what he has chosen from many possible linguistic items, each of which he could have said (linguistic behaviour 
).
参考答案
试题解析
一个说话者在特定场合对某人实际所说的话，就是他从许多可能的语言项目中选择的，每一个他所说的项目都有可能（语言行为潜势）。