49．A．another                   B．the same                 C．different                 D．one

48．A．angry                            B．busy                       C．sorry                      D．happy

47．A．happy                     B．happily                  C．unhappy                 D．happier

46．A．maybe                   B．perhaps                   C．possible                  D．may be

45．A．to                          B．after                       C．for                         D．about

44．A．using                      B．to use                     C．to tell                            D．to talk

43．A．The other                B．Other                            C．Another                  D．The others