i found a good website for language exchange.
it's maybe helpful to you guys in practising oral languages.
its URL:
http://www.italki.com
It's a global online community for language learning. With italki.com, you can learn a language naturally by talking with native speakers of that language. It's a great way to practice what you've learned in class and to study how native people really speak. You can also make friends from all over the world, and learn about foreign countries and cultures. It's easy, it's safe and it's free!