Watch:
http://learningenglish.voanews.com/a/lets-learn-english-lesson-40-the-woods-are-alive/3630341.html
and
https://www.youtube.com/watch?v=lD0DJX_j0W4
Do ex.1 https://www.learnenglishfeelgood.com/adverb-or-adjective-test2.html
ex.2 https://www.learnenglishfeelgood.com/adverb-or-adjective-test3.html
ex.3 https://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjective_adverb.htm
ex.4 https://www.english-4u.de/en/grammar-exercises/adjective-adverb7.htm