Spelling

http://www.spellingcity.com/taking-a-spelling-test.html?listId=3828548

http://www.mailxmail.com/curso-ingles-principiantes/alfabeto-costumbre-deletrear

http://blogpara-aprenderingles.blogspot.cl/2015/04/ejercicios-de-deletreo-en-ingles.html

www.howjsay.com

www.wordreference.com

https://www.youtube.com/watch?v=6ii7-feUt9M