Образуйте множественное число у следующих существительных.
A pen, a class, a story, a road, a day, a cat, a bush, a desk, a table, a plate, a fox, a room, a lady, a knife, a chair, a bus, a hero, a match, a way, a house, a family, a flag, a town, a wolf, a country, а lion, a park, a play