中国大学MOOC: The functional view not only sees language as _____________ but also __________.（两个子答案间用英文逗号相隔，如“，”）

中国大学MOOC: The structural view of language sees language as a __________ made up of various subsystems: p __________, m__________ , and s__________ .（四个子答案间用英文逗号相隔，如“，”）

What does the functional view of language see language? A: a system of categories based on the communicative needs of the learner B: a communicative tool to build up and maintain social relations between people C: a linguistic system made up of various subsystems D: a linguistic system and a means for doing things

In Hymes view, "______" refers to the ability not only to apply the grammatical rules of language but also to know when and where to use these and to whom. A: linguistic competence B: communicative competence C: spontaneous capacity D: language acquisition device

In the past century, language teaching and learning practice have been influenced by three different views of language: the ___________ view, the ___________ view and the ____________ view