с английским ?? Exercise 1. Give the plural forms of the nouns.
Knife, foot, dress, plate, game, city, boy, man, box, sheep, heart, liver, knowledge, child, body, fish, ox, leaf, roof, hair, egg, bus, ear, tooth, mouse, flower, sugar, milk, advice.
Exercise 2. Put all possible questions to the sentence.
My friend knows everything about this problem.