Mark the letter A, B, C, or D to indicate the correct answer to each of the following sentences.

Câu hỏi

Methane comes from ________ activities and landfill waste or the use of coal, oil and natural gas.

Đáp án
C. farming

Câu hỏi thuộc Bài tập:

UNIT 5: GLOBAL WARMING - VOCABULARY - Tiếng Anh 11 Global Success