Luyện nghe nói - Mastering the American Accent
Unit 18 : Quick Review: Word Contrasts for /ɑ, ɔ/ Versus /oʊ/



STTTên taskSố câu hỏiAudio
1
1
2
1


Unit 17 : /oʊ/ AS IN BOATUnit 19 : /ʊ/ AS IN GOOD