52． A．long            B．far             C．soon             D．much

51． A．cry             B．smile           C．laugh            D．sob

50． A．place           B．walk            C．way             D．journey

49． A．tired            B．afraid           C．fond             D．proud

48． A．better           B．same           C．less               D．important

47． A．offices           B．schools          C．shops          D．places

46． A．work             B．job             C．position        D．chance

45． A stand            B．co-operate       C．work           D．help

44． A．activity          B．movement       C．affairs         D．incident

43． A．good            B．wonderful        C．successful       D．much