Form 6b. Comparisons

For practicing:
https://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives/exercises;
https://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjectives_comparison_sentences.htm;
https://www.perfect-english-grammar.com/comparative-adjectives-exercise-1.html;
https://www.english-4u.de/en/grammar-exercises/comparison-adjectives.htm.