41. A. if                        B. though                      C. because                  D. since

40. A. uses                     B. differences                C. minds                    D. mistakes

39. A. it                        B. this                           C. that                        D. one

38. A. Except                 B. Instead                      C. With                      D. Without

37. A. badly                   B. wrong                       C. nice                      D. clear

36. A. enjoy                  B. agree                        C. understand             D. decide

34. A. isn’t                 B. aren’t                        C. don’t be                    D. not be

33. A. interesting         B. interested                  C. interests                    D. interested in

32. A. good                B. well                          C. fine                          D. nice