Learn vocabulary with the SuperMemo method, unique algorithm of repetition whose effectiveness has been proven by scientific research. “Extreme English” is a great complement to all the other ways of studying the English language. By learning for just 20 minutes a day, you can quickly master 15,000 useful words important for every advanced and proficient user of the English language! With the new features of the "Extreme English" courses, the learning process is adjusted to your needs better than ever.
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