¿Cuál tipo de cursos estás buscando? Me parece que tienes un alto nivel de escribir. Sugiría: http://english.yabla.com/ para aprender escuchar más mejor. What type of courses are you searching for? It seems to me that you have a high writing level. I would suggest....to learn to listen better.

http://www.therosettastone.es/ the Spanish link.

Mary ,I saw your question.I recommend you a software "rosetta stone",the official link:http://www.rosettastone.com I think it will be helping you in a short time. I am using it myself now,and it's really nice and usful! I hope you could buy or download it in Argentina. if you have some other problems ,mail me,I will always be there. David