Câu hỏi :

The word “it” in the first paragraph refers to………………..

A. a danger

B. the remaining waste

C. the environment

D. the threat of the remaining waste

* Đáp án

A

* Hướng dẫn giải

Dẫn chứng: It represents an even bigger danger because it stands neglected as it degrades and leaks into the earth without any control at all.

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