The conclusion from the study is not definite; it is just ________.
A、tentativeA
A不确定的、试探性的B正当的、有根据的、有效的C技术性的、专门技术的D彻底的、十足的
Linguistscanconcentrateonalltheaspectsoflanguageatonce.
______ moves on a scale of the national language, dialects, and individual ways of communication.
Thisisanimportantproblem_______toofewsocialscientistshaveresearched.
A linguistic theory is constructed about what ______ is and how it works.
Johnson was ________ unknown before running for the presidency.
