B2.1 Comparatives and Superlatives

https://agendaweb.org/grammar/comparatives-intermediate-level-exercises.html Comparative and superative  exercises

https://www.esl-lounge.com/student/grammar/3g33-comparative-superlative-prague.php Comparative and superlative gap fill

https://www.bbc.co.uk/learningenglish/course/intermediate/unit-13/session-2  Flat pack skyscrapers comparatives and supertatives