Ответ:

The more you learn the smarter you become.

Ответ:

The more you learn ... you become. a) the smarter

Объяснение:

Irregulars: good – better – the best, bad – worse – the worst, little – less – the least, far – farther – the farthest (further – the furthest).

Можно обоими способами: clever, common, cruel, friendly, gentle, narrow, pleasant, polite, shallow, simple, stupid, quiet, yellow, tired (narrow – narrower – the narrowest – more narrow – the most narrow).

Не принято формировать степени сравнения от предельных (абсолютных) прилагательных: unique, eternal, last, essential…