http://www.sk.com.br/sk-usxuk.html
http://www.historiadomundo.com.br/inglesa/lingua-inglesa.htm
http://a4esl.org/q/f/index.html Quizzes for English Study
http://www.linguaestrangeira.pro.br/links/link_ingles.htm#lesson_plans some informations about English
http://www.linguaestrangeira.pro.br/links/link_ingles.htm
http://www.englishexperts.com.br/forum/exercicio-ingles-para-iniciantes-2-t17379.html?sid=5ae1c3aa325776fd6d871e68d3b9e57e some English exercises to beginners
http://www.woodlands-junior.kent.sch.uk/customs/questions/americanbritish.html
http://www.solinguainglesa.com.br/conteudo/brit_amer2.php differences between American and British English.