The air quality in urban areas has become worse over the years. (worsen) The air quality ________________________.Đoạn văn21/33The air quality in urban areas has become worse over the years. (worsen) The air quality ________________________.Nhập câu trả lời ở đây0/3000 ký tựXác nhậnGiải thíchThe air quality in urban areas has worsened over the years.