-
Câu hỏi:
(6)...................
- A. in
- B. of
- C. on
- D. under
Lời giải tham khảo:
Đáp án đúng: B
burning of coal: việc đốt than
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
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- The problem of air pollution started with the burning
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- The story is so .................... that I don’t want to read the rest.
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