People are destroying the air by adding ...... to it.
A. pollutants
B. polluters
C. pollution
D. polluted
Giải bởi Vietjack
Đáp án: A
Giải thích: Vị trí trống cần danh từ, dựa vào nghĩa chọn A
Dịch: Mọi người đang phá hủy không khí bằng cách thêm chất ô nhiễm vào nó.
If people stop destroying animal's natural habitat, more species will survive and produce .......
Oil spills are having a devastating effect on coral reefs in the ocean.
What exactly is the influence of air pollution ...... human beings?
The society was set up to ...... endangered species from extinction.
The campaign will hopefully ensure the survival ...... the tiger.
Among the problems facing the national park's manager, the most serious ones are those of ...... and expansion.
The ...... friendly products are designed not to harm the natural environment.
