http://www.studyspanish.com/

https://www.wordreference.com/   

https://www.enchantedlearning.com/languages/Spanishdictionary.html   

https://www.donquijote.org/spanish-language/   

http://www.hello-world.com/languages.php/?language=Spanish&translate=English   

https://pollylingu.al/es/en/courses/1   

https://sites.uni.edu/becker/Spanish3.html   

http://www.spanishunlimited.com/su/games/   

http://www.my-spanish-dictionary.com/articles/spanish-grammar-practice.html   

https://www.spanishspanish.com/   

http://www.softschools.com/spanish/   

https://www.quia.com/   

https://www.verbix.com/languages/spanish.html   

https://quizlet.com/   

https://conjuguemos.com/   

http://interactivesites.weebly.com/spanish.html   

http://www.spanishdict.com/