Point
              0.20
          Question Text
              Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Question: Air pollution is getting _________ serious in big cities in the world.'
Quiz Section
              
          Position
              8.00
          Question Type
          Multiple Choice
              Master uuid
              6f5f2ddd-b057-4cc8-b6cd-8b3055018628