- TEACHITWORLD B1 Speaking resources.
- BETTER SPEAKING BBC site.
- PHONETICS, THE SOUND OF SPOKEN LANGUAGE
- HAVE A CONVERSATION WITH AN ONLINE ROBOT
- MANYTHINGS.ORG American English Pronunciation Practice
- SOUNDS OF ENGLISH
- BBC.CO.UK LEARNING ZONE
- ESL PRONUNCIATION
- ESL ONLINE TALK COMMUNITY Where you can find friends from other countries to communicate with.
- FONETIKS.ORG Online pronunciation guides to 9 varieties of the English language.
- EFFECTIVE PUBLIC SPEAKING
- ESL DISCUSSIONS.COM
- CONVERSATION QUESTIONS
- FANTASTIC INTONATION PRACTICE SITES:
- PLATO
- ONLINE INTONATION
- TONI
- TED POWER
PHONETICS
Cambridge Phonetics Online A very fun page to play games and practice phonetics.
Phonetics Symbols and Sounds, Oxford UP
Sounds of English.org - Sentence Stress
Intonation Practice
Phonemes of the English language

Notice that these phonemes may well represent diverse varieties of English mostly spoken in Britain. In AmE, centring diphthongs hardly ever occur.