USEFUL LINKS
https://www.thespanishspot.net/enlaces-links
http://www.wordreference.com/
http://quizlet.com/
https://conjuguemos.com/
http://www.studyspanish.com/tutorial.htm
http://www.queondaspanish.com/conjugation_trainer/en
https://lp.babbel.com/d/QAE_tutorial.html?l1=QAE&l2=SPA&auto&ch=SEM
http://www.123teachme.com/online_spanish_test
http://www.transparent.com/lear-spanish/proficiency-test.html
http://personal.colby.edu/~bknelson/SLC/index.php
http://www.senorjordan.com/
https://www.museodelprado.es/en/
http://www.museoreinasofia.es/en