They worked on setting language teaching principles and approaches based on

They worked on setting language teaching principles and approaches based on linguistic and psychological theories, but they _ many of the specific practical details for others to devise
nbsp;(*ответ*) left
nbsp;leave
nbsp;are leaving
nbsp;have left
This allows us to create sentences that we have never heard before but that can still be immediately understood by anyone who understands the specific language _ spoken
nbsp;(*ответ*) being
nbsp;be
nbsp;is
nbsp;been
This follows from the rationalist position that man is born to think and that language use is a uniquely human trait _ in other species
nbsp;(*ответ*) impossible
nbsp;possible
nbsp;found
nbsp;exist
Those looking at the history of foreign-language education in the 20th century and the methods of teaching _ be tempted to think that it is a history of failure
nbsp;(*ответ*) might
nbsp;need
nbsp;had
nbsp;ought
Very _ students in U.S. universities who have a foreign language as a major manage to reach something called quot;minimum professional proficiencyquot;
nbsp;(*ответ*) few
nbsp;little
nbsp;less
nbsp;far
While sometimes confused, the _ quot;approachquot;, quot;methodquot; and quot;techniquequot; are hierarchical concepts
nbsp;(*ответ*) terms
nbsp;sums
nbsp;parts
nbsp;numbers
With _ methods, students generate original and meaningful sentences to gain a functional knowledge of the rules of grammar
nbsp;(*ответ*) these
nbsp;this
nbsp;that
nbsp;it
_ upper secondary level, English is even more widely taught
nbsp;(*ответ*) At
nbsp;In
nbsp;On
nbsp;By
_ the high rate of foreign language teaching in schools, the number of adults claiming to speak a foreign language is generally lower than might be expected
nbsp;(*ответ*) Despite
nbsp;Inspite
nbsp;However
nbsp;Never
Descriptive linguists _ to claim unhesitatingly that there were no scientifically-based language teaching methods before their work (which led to the audio-lingual method developed for the U.S. Army in World War II)
nbsp;(*ответ*) seem
nbsp;see
nbsp;tell
nbsp;speak
An _ is a set of correlative assumptions about the nature of language and language learning
nbsp;(*ответ*) approach
nbsp;way
nbsp;side
nbsp;path
Innovation in foreign language teaching _ in the 19th century and became very rapid in the 20th century
nbsp;(*ответ*) began
nbsp;begun
nbsp;begin
nbsp;is beginning