comparatives and superlatives

https://agendaweb.org/grammar/comparative-superlative-exercises.html

https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-48433.php

https://esol.britishcouncil.org/content/learners/grammar-and-vocabulary/grammar-lessons/my-favourite-country-comparatives-and

https://learnenglishteens.britishcouncil.org/grammar/beginner-grammar/comparative-superlative-adjectives