Câu hỏi :

Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions.

A. Informal

B. non-verbal

C. verbal

D. formal

* Đáp án

C

* Hướng dẫn giải

Đáp án C

non-verbal (phi ngôn ngữ)

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