FB eken friend kenek hoyaganin machan.. mama nan messanger eken voice video chat karanna lady kenek hoyagaththa.. mulinma seen eka kiwwama un udaw karanawa ban.. try karala balapanko..
You don't need cam to cam chattings sites to learn english. Read books, watch movies with subtitles, listen carefully what they say. Lastly when you think about something just try to think in english.