Here are a couple of good websites where you can hear them pronounce the words you want to learn in english: http://www.elllo.org/ and http://www.howjsay.com/ and http://shiporsheep.com if you need anything else just contact me.

Pode ler muito, praticar por voz... eu estou ficando fluente pq nao paro de falar em ingles, pensar em ingles :P Beijos