The area is roped off because the water is seriously polluted.
A. contaminated
B. disappeared
C. purified
D. endangered
pollute (v): làm ô nhiễm
contaminate (v): làm bẩn
disappear (v): biến mất
purify (v): làm cho sạch, lọc trong, tinh chế
endanger (v): gây nguy hiểm
=> polluted = contaminated
=> The area is roped off because the water is seriously contaminated.
Tạm dịch: Khu vực này bị cô lập vì nguồn nước bị ô nhiễm nghiêm trọng.
Đáp án: A
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