PEOPLE ARE DESTROYING THE AIR BY ADDING ______ TO IT.A. POLLUTANTS...

Toán ĐỀ VÀ ĐÁP ÁN THI CHUNG TOÁN TIẾNG ANH 24022016 THPT TRUNG GIÃ

24. People are destroying the air by adding ______ to it.A. pollutants B. polluters C. pollution D. polluted