Câu hỏi :

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 46 to 55

A. Wavy

B. Having many centres

C. Having a common centre

D. A ring

* Đáp án

C

* Hướng dẫn giải

Chọn C

Concentric = having a common center: đồng tâm

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