27. A. loss                            B. failure                       C. reduction            D. cut

28. A. appear                        B. show                        C. open                  D. happen

29. A. takes                          B. makes                       C. does                  D. plays

30. A. at                               B. to                                    C. in                             D. with

31. A. split                            B. crash                        C. break                 D. bend

32. A. responsibility               B. ability                        C. necessity            D. possibility

33. A. unless                         B. if                              C. besides               D. except