21. The __________ you drive in the city, the __________ it is that you will have an accident.

          A. faster - more probably                                 B. fast - probably              

          C. faster - probable                                          D. faster - most probable      

22. Commercial centres are__________ they were many years ago.

          A. as popular than                                           B. the most popular.          

          C. more popular than                                       D. most popular than

23.  She sat there quietly, but during all that time she was getting__________. Finally she exploded.

          A. less and less angry                                       B. the more angry

          C. the most angry                                            D. angrier and angrier

24. Her grandfather’s illness was__________ we thought at first.

          A. more seriously as                                        B. as seriously as

          C. more serious than                                        D. as serious than

25. You must explain your  problems __________.

          A. as clear as you can                                      B. as clear than you are

          C. as clearly as you can                                    D. as clearly as you are

Choose the word or phrase A, B, C or D that needs correcting.

26. Fewer water flooded into my friends’ house than I expected.

        A  Fewer                  B flooded                     C  friend's                 D than

27. This house is twice as big from the other one we saw.

                            A   twice            B from           C   other              D saw

28. That company is considerably richest and more famous than that one.

                              A is                        B  richest            C  more                D than

29. People wearing helmet are least likely to have traffic accidents than those who are not.

                      A   wearing                      B least                  C  have                                      D those

30. Of all the diseases that appear around the world recently, Covid 19 is more serious.

            A all                    B that         C around                                        D more