10. The three main functions of language are: social, metalinguistic and descriptive.
10. The three main functions of language are: social, metalinguistic and descriptive.
10. The three main functions of language are: social, metalinguistic and descriptive. A: 正确 B: 错误
10. The three main functions of language are: social, metalinguistic and descriptive. A: 正确 B: 错误
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