Образуйте множественное число от следующих существительных: a town, a fox, a hero, a child, a key, a roof, a watch, a piano, a handkerchief, a city, a dish, a woman, a frenchman, a foot, a deer, a glass, a tree, a toy, a tragedy, a shelf., information, a goose, a leaf, an egg, a window, a tomato, advice, a pen, a park, phenomenon.

Towns, foxes, heroes, children, keys, roofs, watches,pianos, handkerchiefs, cities, dishes, women, Frenchmen, feet, deer, glasses, trees, toys, tragedies, shelves, information, geese, leaves, eggs, windows, tomatoes, pieces of advice, pens,parks, phenomena.