(Viên chức Mầm non) 500 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 6
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Conservation, sustainable use and protection of (1) ______ resources including plants, animals, mineral deposits, soils, clean (2) ______ , clean air, and fossil fuels such as coal, petroleum

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Conservation, sustainable use and protection of (1) ______ resources including plants, animals, mineral deposits, soils, clean (2) ______ , clean air, and fossil fuels such as coal, petroleum, and natural gas.

lakes

stones

sand

water

Giải thích

Đáp án D
 Giải thích: clean water: nước sạch