800 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 10

Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and buildi

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Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams.

hills

forests

jungles

woods

Giải thích

B là đáp án đúng