Câu 36: For environmental safety, we need to find ways to reduce emission of fumes and
smoke of factories.
A. leak B. release C. pollutant D. poison
Blacken the letter A, B, C or D on your answer sheet to indicate the correct answer to each of
the following questions.
Bạn đang xem câu 36: - Đề thi thử thpt quốc gia 2021 môn Anh trường THPT Hàn Thuyên lần 1