21. The river is already heavily polluted by toxic chemicals and industrial waste.

A. unclean                B. clean                C. dirty                        D. poisonous

22. The scene in the picture was quite similar to what I had seen during my trip to Da Lat.

A. like                        B. identical                C. different                D. indifferent

80 đề thi thử vào lớp 10 - Tiếng Anh - Form mới 2025 - 40 câu hỏi - Bùi Văn Vinh - Đề 12