Как по-английски множественное число слов university,thief,day,sky,ski,taxi,party,key,story,vay,tragedy,language,leaf,comedy.

University - universities, thief - thieves, day - days, sky - skies, ski - skis, taxi - taxis, party - parties, key - keys, story - stories, way - ways, tragedy - tragedies, language - languages, leaf - leaves, comedy - comedies