EmpiricalstudiesshowthattheprocessofSLAisaprocessofconstructingandmodifyingrulesofcommunication.

Hetalkedalotaboutthingsandpersons________theyrememberedintheschool.

There is a deadlock(僵局) in the discussion when neither side gives ________ to the other.

A linguistic theory is constructed about what ______ is and how it works.

Johnson was ________ unknown before running for the presidency.