Объяснение:
Упр. 4.
A table-tables, a plate-plates, a fox-foxes, a room-rooms, a lady-ladies, a knife-knives, a chair-chairs, a bus-buses, a negro-negroes, a match-matches, a way-ways, a house-houses, a family-families, a flag-flags, a town-towns, a wolf-wolves, a countrY-countries, a lion-lions, a park-parks, a play-plays.
Упр. 5.
А star - stars, a mountain - mountains, a tree - trees, a shilling - shillings, a king - kings, the waiter - the waiters, the queen - the queens, a man - men, the man - the men, a woman - women, the woman - the women, an eye - eyes, a shelf - shelves, a box - boxes, the city - the cities, a boy - boys, a goose - geese, the watch - the watches, a mouse - mice, a dress - dresses, a toy - toys, the sheep - the sheep, a tooth - teeth, a child - children, the ox - the oxen, a deer - deer, the life - the lifes, a tomato - tomatoes
2) Our room is the smallest in a flat.
3) My sister is younger than me.
4) Is the Nile shorter that the Dnipro?
5) Their house is not as beautiful as our house.