EDUCATION STRATEGY ON POWER POINT
Practice the two words coal and goal. But keep on pronouncing the the English vowel with its lengthening. Exaggerate the English language character of the vowel. Don't pronounce it as if it were col or gol in your language. And also remember the explosive nature of the consonant represented by the "c" in English when it is pronounced as the IPA k. Blow out the candle when you say coal.