leaf__leaves________puppy___puppies_________fly______flies__________fox____foxes_______bench____benches_________

　　church__churches______dish____dishes__________victim___victims___________peach___peaches_______glass____glasses_________

　　belief___beliefs_____zoo____zoos___________friend____friends__________roof____roofs_______information___不可数________

　　lady___ladies_______story_____stories________watch____watches___________bamboo__bamboos_______city_____cities__________

　　day___days________citizen_citizens__________speech___speeches___________opportuity__opportunities__________person__persons____________

　　German___Germans_____spy__spies_______radio____radios__________monkey____monkeys____________aspect____aspects_________

　　guy____guys_________boss___bosses________expert____experts_________file___files__________dress____dresses________

　　milkman____milkmen___________policewoman___policewomen____________horse____horses________photo___photos________physician__physicians_________

　　kiss___kisses_______winner_____winners________key___keys________apple___apples_____________people_____没有复数_________

　　advice_____不可数_________suggestion__suggestions_____________exam___exams______________player__players_________