填空题The famous American psychologist Brunner emphasizes active ______ of knowledge through experience with the environment.
填空题In the first century B. C. Dianysius Thrax wrote a book of Greek ______.
填空题Krashen s affective filter hypothesis attempts to explain the variation in ______ of language acquisition among individuals of the same group.
填空题John Firth, a linguist, stressed that language needs to be studied in the broader context of its ______ use.
填空题ASSRF is the short form for affective, situation, structure, rule and ______ .