Add variety to your English by using comparisons correctly. For example, these three sentences all have the same meaning but a different form.
COMPARATIVE: Cindy is smarter than any other girl in the class.
SUPERLATIVE: Cindy is the smartest girl in the class.
EQUATIVE: No other girl in the class is as smart as Cindy.
Online Practice
https://www.eltbase.com/quiz/116_02.htm
https://www.englishgrammar.org/comparison-of-adjectives-2/
https://www.englishgrammar.org/comparatives-and-superlatives/
https://www.englishgrammar.org/degrees-of-comparison-exercise-6/
https://www.usingenglish.com/quizzes/45.html
https://www.eltbase.com/quiz/116_03.htm
https://www.perfect-english-grammar.com/comparative-adjectives-exercise-1.html