PHẦN 3: ĐỀ ÔN LUYỆN THI PRACTICE TEST 2

Bacteria are one of the most abundant (A) life forms (B) on Earth, growing on and inside another (C) living things, in every type of environment (D).

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Bacteria are one of the most abundant (A) life forms (B) on Earth, growing on and inside another (C) living things, in every type of environment (D).

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Giải thích

Chọn C