Поставьте следующие существительные во множестве ноет число
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 country.a lion.a park.a play.a dictionary.a thief.a key.

A pen - pensa class - classesa story - storiesa road - roadsa day - daysa cat - catsa bush - bushes a desk - desksa table - tablesa plate - platesa fox - foxes a room - roomsa lady - ladiesa knife - knivesa chair - chairsa bus - busses a hero - heroesa match - matchesa way - waysa house - housesa family - familiesa flag - flagsa town - townsa country - countriesa lion - lionsa park- parksa play - playsa dictionary - dictionariesa thief - thieves a key - keys