The letter `ayn is usually pronounced as a glottal stop in Written/Formal standard Persian. In Spoken/Colloquial style, this glottal stop is often deleted and then the preceding vowel is uttered for a longer duration. Directions: Listen to the same word pronounced in Written/Formal style and in Spoken/Colloquial style. Drag the appropriate choice on the right to the audio-based question on the left. (The two audio recordings on the left really are different! If you don't see any audio button, you may need to refresh your browser for it to appear.) Click on Check after dragging both choices and on Next Question to go on. 5 questions total.