Exercise 1. write the nouns in the plural form. § 1.1.
a farmer, a country, a city, a day, a disc, a leaf, an address, a lemon, an
apple, a child, a man, a house, a mouse, a tooth, a photo, hair, a potato, a box,
a hobby, an exercise-book, a piano, a son-in-law, a wife, a gallery, a toy, a
roof, a foot, money
farmers, countries, cities, days, disces, leafs, addresses, lemons, apples, children, men, houses, mouses, tooths, photos, hairs, potatos, boxes, hobbies, exercise-books, pianos, sons-in-laws, wifes, galleries, toys, roofs, foots, money