48．A．never                            B．often                     C．sometimes       D．always

47．A．time                             B．life                        C．the vacation     D．the weekend

46．A．thank                     B．love                       C．remember       D．enjoy

45．A．find                       B．pick                       C．visit                D．dream

44．A．interesting              B．expensive               C．difficult          D．convenient

43．A．city’s                     B．country’s                C．world’s           D．family’s

42．A．without                  B．with                             C．for                 D．against

41．A．allow                     B．show                     C．reply              D．suggest

40．A．pleasure                 B．kindness                 C．friends            D．secrets

39．A．list                        B．know                     C．discover          D．reveal