8ºA
https://teacherandrerosa.wordpress.com/2016/01/03/sinonimos-e-antonimos-em-ingles/
https://www.educabras.com/ensino_medio/materia/ingles/ingles_gramatica/aulas/synonyms_and_antonyms
https://blogdoenem.com.br/antonyms-antonimos-ingles-enem/
Exercício on line
https://rachacuca.com.br/quiz/126925/sinonimos-e-antonimos-em-ingles/
https://www.englishexperts.com.br/forum/exercicio-sinonimos-em-ingles-t33034.html