Mark the word(s) CLOSEST in meaning to the underlined word(s): Water and fresh air are very necessary for every living thing.

Câu hỏi :

Water and fresh air are very necessary for every living thing.

A. different

B. essential

C. successful

D. expensive

* Đáp án

B

* Hướng dẫn giải

essential = necessary: cần thiết, quan trọng

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