Степени следующих слов: (положительная степень, сравнительная степень, превосходная степень) - the cheapest, the most dangerous, the coldest, the slowest, the most boring, the best, the biggest, the worst

Cheap - cheaper - the cheapest
Dangerous - more dangerous - the most dangerous
Cold-colder-the coldest
Slow-slower-the slowest
Boring-more boring - the most boring
Good-better - the best
Big - bigger - the biggest
Bad - worse-the worst