The air has become more and more polluted because of exhaust fumes from vehicles.
Giải thích: contaminated (adj)= polluetd (adj): bị ô nhiễm
conserved(adj) = preserved(adj): bảo tồn
wasted(adj): lãng phí
Tạm dịch: Không khí trở nên ngày càng ô nhiễm bởi khói thải độc hại từ xe cộ.
Chọn đáp án là : B
Environmentalists appeal to the government to enact laws to stop factories from discharging toxic chemicals into the sea.
A series of programs have been broadcast to raise public awareness of healthy living.
If desired, garnish your plate with parsley, bell pepper rings or other vegetables
After several days underground after the earthquake one child was pulled out alive.
When you see your teacher approaching you, a slight wave to attract his attention is appropriate.
Paris is the ideal place to learn French; it’s a beautiful and hospitable city with Institutions for high quality linguistic teaching.
We can use either verbal or non – verbal forms of communication.