Ex. 12. переведите на язык. выделите словообразующие элементы. определите, к какой части речи относятся данные слова: react, reaction, reactor, reactivity; science, scientific, scientist; industry, industrial, industrious; cold, coldly, coldness; dark, darkness, darken; happy, happily, happiness, unhappy; equal, equally, unequal, equality; free, freedom, freely; attention, attentive, attentively; sun, sunny, sunless; care, careful, careless, carefully, carelessness; to differ, different, difference, indifferent; england, english, englishman; fame, famous.
