Задание 4: Преобразуйте множественное число существительных.

stars, mountains, trees, shillings, kings, waiters, queens, men, women, eyes, shelves, boxes, cities, boys, geese, watches, mice, dresses, toys, sheep, teeth, children, oxen, deer, lives, tomatoes, tea-cups, eggs, walls, pictures, feet, mountains, ladies, windows, matches, knives.