第2个回答 2012-02-07
potato--potapoes,tomato--tomatoes,photo--photos,radio--radios ,piano--pianos,hero--heroes
zero--zeroes,walkman---walkmans,German---Germans, human--humans ,tooth--teeth, foot--feet ,headach---headaches,sandwich--sadwiches本回答被网友采纳
第3个回答 2012-02-07
potato--potapos,tomato--tomato,photo--photoes,radio--radioes