Form 6a. Adjectives and Adverbs. Joining sentences

For practicing:
http://esl.fis.edu/grammar/multi/adadv.htm;
https://www.usingenglish.com/quizzes/33.html;
http://www.cityu.edu.hk/elc/quiz/adjadv.htm;
http://a4esl.org/q/j/ck/mc-adjadv.html;
https://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjective_adverb.htm;
https://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjective_adverb2.htm;
https://www.proprofs.com/quiz-school/story.php?title=conjunctions--but-so-1;
http://a4esl.org/q/h/vm/m-sco01.html.