Bộ 10 đề ôn thi học sinh giỏi Tiếng anh 9 năm 2023 có đáp án (Đề 10)

Fumes emitted from the car (63) ________ contain many chemicals which are harmful to people, animals and plants.

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Fumes emitted from the car (63) ________ contain many chemicals which are harmful to people, animals and plants.

waste

exhaust

garbage

trash

Giải thích

Chọn B