... (ENVIRONMENT) ARE CONCERNED ABOUT THE POLLUTION IN THE CITY.

2. - BÀI SOẠN DE THI CHON DOI TUYEN ANH 8 DAP AN
Tiếng Anh BÀI SOẠN DE THI CHON DOI TUYEN ANH 8 DAP AN
2. ... (environment) are concerned about the pollution in the city.