Bộ 5 đề thi giữa kì 2 Tiếng Anh 11 Global Success có đáp án - Đề 2

When fuels like oil and coal are being burned, pollutants are released; these pollutants... (3).... heat in the earth's atmosphere.

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When fuels like oil and coal are being burned, pollutants are released; these pollutants... (3).... heat in the earth's atmosphere.

trap

release

emit

give off

Giải thích

Choose A