19. Many factories in this industrial zone pollutes the air and water.

A. contaminates         B. purities                C. cleans                D. affects

20. The industrious and intensive farmers of the Mekong Delta thus produced enough rice to feed the whole country and at the same time helped Viet Nam to re-enter the world rice market, starting in 1989.

A. lazy                        B. idle                        C. hard-working         D. dull

80 đề thi thử vào lớp 10 - Tiếng Anh - Form mới 2025 - 40 câu hỏi - Bùi Văn Vinh - Đề 21