Câu hỏi:

17/06/2026 319

If they breathe (2)............ air, they will have breathe problems and become (3)...........


A. clean                


B. clear                 

C. dirty                 

Đáp án chính xác

D. pollution

Trả lời:

verified Giải bởi Vietjack

Đáp án đúng là: C

Trước danh từ cần tính từ => loại D

Dựa vào nghĩa chọn C

Dịch: Nếu chúng ta hít không khí bẩn, chúng ta sẽ gặp những vấn đề về đường thở.

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