54．A．homework           B．teamwork            C．hard work           D．network

53．A．fishing                B．waiting               C．finishing             D．shipping

52．A．again                  B．away                   C．over                    D．up

51．A．pretty                 B．green                  C．nearby                D．opposite

50．A．Again                 B．Then                   C．There                  D．However

49．A．class                   B．result                  C．team                   D．rule

48．A．not                     B．as                       C．enough                D．only

47．A．otherwise            B．therefore             C．finally                 D．generally

46．A．All                     B．Neither               C．Some                  D．Both