Ответ:

tall-taller-the tallest

old-older-the oldest / old-elder-the eldest

expensive-more expensive-the most expensive

cheap-cheaper-the cheapest

safe-safer-the safest

fast-faster-the fastest

interesting-more interesting-the most intersting

fast-faster-the fastest

slow-slower-the slowest

exciting-more exciting-most exciting

Объяснение: