Pronunciation Lesson 5a. “R” (continued) September 6, 2010 admin English Pronunciation Lesson 5a (continued) – R Learn English Pronunciation. Topic: “R” as a vowel sound. Level: All levels, though some vocabulary in the explanations and exercises will challenge beginners. Spread the love: Related English Lessons Pronunciation Learn English Pronunciation 5b R (second part) March 30, 2012 admin Pronunciation Pronunciation Video Lesson 5b. “R” June 6, 2011 admin