Помогите поставить в множественное число слова:key,city,sofa,car,tram,wirch,potato,photo,wolf,animal,postman,hobby.
Keys,cities,sofas,trams,wirches,potatoes,photoes,wolfs,animals,postmans,hobbies.
Keys, citys, sofas, cars, trams, wirchc, potatos, photos, wolfs, animals, postmans, hobbys.