The word “microbes” in paragraph 3 could best be replaced by which of the following?

Câu hỏi :

The word “microbes” in paragraph 3 could best be replaced by which of the following?

A pieces of dust

B trapped bubbles

C tiny organism

D rays of light

* Đáp án

C

* Hướng dẫn giải

Phương pháp giải:

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