Useful Links

Interactive Phonemic Chart   - an interactive chart which shows (and "reads") examples of words with the individual sounds.
Cambridge Dictionaries Online   - one of the good online dictionaries which includes US and UK pronunciation, phrases and more
Stringnet Navigator  - a useful writing tool which can help you decide if the expression you want to use actually exists in English (includes examples).

Quizlet - with this app, you can study vocab anywhere