40．A．make                   B．use                      C．save                       D．buy

39．A．books                  B．trees                    C．leaves                    D．factories

38．A．have to                B．mustn't                C．used to                   D．shouldn't

37．A．Sometime            B．Some time                  C．Sometimes             D．Some times

36．A．magazine             B．newspaper            C．book                      D．dictionary

35．A．collected              B．divided                C．moved                   D．put

34．A．Iron                    B．Paper                         C．Television              D．Silk

33．A．Eastern                B．Western               C．Southern                D．Northern

32．A．disliked               B．disagreed             C．invented                 D．discovered

31．A．traveller              B．actor                   C．doctor                    D．driver