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| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 10, Ex. A, READING.mp3 | 2022-06-08 13:56 | 4138k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 131, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 459k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 131, Ex. B, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 461k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 131, Ex. C, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 599k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 131, Ex. D, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 557k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 2, Preview, Ex. A, THE BEHAVIOR OF OTHERS.mp3 | 2022-06-08 13:56 | 1053k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 2, Preview, Ex. B, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1441k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 4, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 1557k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 5, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 641k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 5, Ex. B, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 1135k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 5, Ex. D, LISTEN TO ACTIVATE GRAMMAR.mp3 | 2022-06-08 13:56 | 4417k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 7, Ex. D, LISTEN TO CONFIRM CONTENT.mp3 | 2022-06-08 13:56 | 4586k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 7, Ex. E, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1989k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 7, Ex. G, LISTEN TO INFER.mp3 | 2022-06-08 13:56 | 1404k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 8, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 957k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, P. 9, Ex. E, LISTEN TO INFER.mp3 | 2022-06-08 13:56 | 4597k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 1, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:55 | 1787k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 100, Preview, Ex. A, STRESSES OF WORK.mp3 | 2022-06-08 13:56 | 968k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 100, Preview, Ex. B, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1553k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 101, Preview, Ex. G, VOCABULARY.mp3 | 2022-06-08 13:56 | 963k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 102, Ex. A, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1512k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 104, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 1667k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 104, Ex. B, LISTEN TO ACTIVATE VOCABULARY.mp3 | 2022-06-08 13:56 | 1517k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 105, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 625k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 105, Ex. B, PRONUNCIATION PRACTICE.mp3 | 2022-06-08 13:56 | 1190k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 106, Ex. A, READING.mp3 | 2022-06-08 13:56 | 3279k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 108, Ex. A, WORD STUDY.mp3 | 2022-06-08 13:56 | 345k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 108, Ex. D, LISTEN FOR MAIN IDEAS.mp3 | 2022-06-08 13:56 | 4250k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 108, Ex. E, LISTEN FOR SUPPORTING DETAILS.mp3 | 2022-06-08 13:56 | 4239k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 108, Ex. F, UNDERSTAND FROM CONTEXT.mp3 | 2022-06-08 13:56 | 1128k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 140, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 616k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 140, Ex. B1, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 711k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 140, Ex. B2, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 719k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, P. 140, Ex. C, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 825k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 10, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:55 | 1033k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 12, Preview, Ex. A, THE CREATIVE PERSONALITY.mp3 | 2022-06-08 13:56 | 1042k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 12, Preview, Ex. A, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1805k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 13, Preview, Ex. G, VOCABULARY.mp3 | 2022-06-08 13:56 | 628k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 132, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 1088k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 132, Ex. B, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 699k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 14, Ex. A, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1558k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 16, Ex. A, PRONOUNCE THE GRAMMAR.mp3 | 2022-06-08 13:56 | 280k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 16, Ex. F, VOCABULARY.mp3 | 2022-06-08 13:56 | 1891k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 17, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 476k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 17, Ex. B, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 857k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 17, Ex. G, LISTEN TO ACTIVATE GRAMMAR AND VOCABULARY.mp3 | 2022-06-08 13:56 | 2395k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 18, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 1689k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 18, Ex. B, READING.mp3 | 2022-06-08 13:56 | 3051k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 20, Ex. A, WORD STUDY.mp3 | 2022-06-08 13:56 | 1453k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 20, Ex. D, LISTEN TO CONFIRM CONTENT.mp3 | 2022-06-08 13:56 | 5602k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, P. 21, Ex. E, LISTEN FOR DETAILS.mp3 | 2022-06-08 13:56 | 5615k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 2, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:55 | 1217k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 133, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 1147k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 133, Ex. B, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 995k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 24, Preview, Ex. A, CHARITABLE GIVING.mp3 | 2022-06-08 13:56 | 1686k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 24, Preview, Ex. B, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1834k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 24, Preview, Ex. G VOCABULARY.mp3 | 2022-06-08 13:56 | 447k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 26, VOCABULARY.mp3 | 2022-06-08 13:56 | 1186k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 27, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 499k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 27, Ex. B, PRONUNCIATION PRACTICE.mp3 | 2022-06-08 13:56 | 884k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 27, Ex. D, PRONOUNCE THE GRAMMAR.mp3 | 2022-06-08 13:56 | 284k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 28, Ex. A, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1560k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 28, Ex. D, PRONOUNCE THE GRAMMAR.mp3 | 2022-06-08 13:56 | 1263k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 30, Ex. A, READING.mp3 | 2022-06-08 13:56 | 3379k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 32, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 1111k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 32, Ex. C, LISTEN FOR MAIN IDEAS.mp3 | 2022-06-08 13:56 | 5956k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 32, Ex. D, UNDERSTAND FROM CONTEXT.mp3 | 2022-06-08 13:56 | 5948k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, P. 32, Ex. E, LISTEN FOR DETAILS.mp3 | 2022-06-08 13:56 | 5953k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 3, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:55 | 1179k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 134, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 824k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 134, Ex. B, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 897k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 34, Preview, Ex. A, APPEARANCE AND SELF-ESTEEM.mp3 | 2022-06-08 13:56 | 1634k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 34, Preview, Ex. B, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1719k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 35, Preview, Ex. G, VOCABULARY.mp3 | 2022-06-08 13:56 | 603k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 36, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 1267k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 36, Ex. B, LISTEN FOR DETAILS.mp3 | 2022-06-08 13:56 | 3871k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 37, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 537k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 37, Ex. B, PRONUNCIATION PRACTICE.mp3 | 2022-06-08 13:56 | 1072k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 38, Ex. A, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1472k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 40, Ex. A, READING.mp3 | 2022-06-08 13:56 | 3216k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 42, Ex. A, WORD STUDY.mp3 | 2022-06-08 13:56 | 839k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 42, Ex. C, LISTEN FOR MAIN IDEAS.mp3 | 2022-06-08 13:56 | 3856k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, P. 42, Ex. D, LISTEN FOR DETAILS.mp3 | 2022-06-08 13:56 | 3853k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 4, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:55 | 1423k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 134, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 552k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 134, Ex. B1, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 752k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 134, Ex. B2, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 701k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 46, Preview, Ex. A, PUBLIC CONDUCT.mp3 | 2022-06-08 13:56 | 1253k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 46, Preview, Ex. B, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1539k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 48, Ex. A, WORD STUDY.mp3 | 2022-06-08 13:56 | 834k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 49, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 234k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 49, Ex. B, PRONUNCIATION PRACTICE.mp3 | 2022-06-08 13:56 | 518k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 50, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 1440k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 51, Ex. F, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1036k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 52, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 1859k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 52, Ex. B, LISTEN TO CONFIRM CONTENT.mp3 | 2022-06-08 13:56 | 5269k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 52, Ex. C, LISTEN FOR POINT OF VIEW.mp3 | 2022-06-08 13:56 | 5277k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 53, Ex. D, LISTEN TO SUMMARIZE.mp3 | 2022-06-08 13:56 | 5265k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, P. 54, Ex. A, READING.mp3 | 2022-06-08 13:56 | 3816k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 5, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:56 | 1553k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 135, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 1684k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 135, Ex. B, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 653k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 56, Preview, Ex. A, ANIMAL EXTINCTION.mp3 | 2022-06-08 13:56 | 1588k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 56, Preview, Ex. B, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1461k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 57, Preview, Ex. H, VOCABULARY.mp3 | 2022-06-08 13:56 | 1505k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 58, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 2525k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 58, Ex. B, LISTEN TO ACTIVATE VOCABULARY.mp3 | 2022-06-08 13:56 | 3461k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 59, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 430k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 59, Ex. B, PRONUNCIATION PRACTICE.mp3 | 2022-06-08 13:56 | 814k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 59, Ex. C, IN YOUR OWN WORDS.mp3 | 2022-06-08 13:56 | 150k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 60, Ex. A, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1222k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 62, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 3199k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 62, Ex. C, LISTEN FOR MAIN IDEAS.mp3 | 2022-06-08 13:56 | 4185k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 63, Ex. D, LISTEN FOR SUPPORTING DETAILS.mp3 | 2022-06-08 13:56 | 4189k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 63, Ex. E, UNDERSTAND FROM CONTEXT.mp3 | 2022-06-08 13:56 | 4191k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 63, Ex. G, LISTEN FOR MAIN IDEAS.mp3 | 2022-06-08 13:56 | 1619k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, P. 64, Ex. A, READING.mp3 | 2022-06-08 13:56 | 3956k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 6, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:56 | 2131k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 136, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 576k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 136, Ex. B, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 255k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 136, Ex. C, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 980k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 136, Ex. D2, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 789k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 136, Ex.D1, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 1116k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 68, Preview, Ex. A, REACTIONS TO ADVERTISEMENTS.mp3 | 2022-06-08 13:56 | 1343k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 68, Preview, Ex. B, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1618k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 70, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 895k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 70, Ex. B, LISTEN TO ACTIVATE VOCABULARY.mp3 | 2022-06-08 13:56 | 1694k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 71, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 732k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 71, Ex. B, PRONUNCIATION PRACTICE.mp3 | 2022-06-08 13:56 | 1341k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 72, Ex. A, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1808k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 74, Ex. A, READING.mp3 | 2022-06-08 13:56 | 3280k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 76, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 981k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 76, Ex. C, LISTEN TO APPLY IDEAS.mp3 | 2022-06-08 13:56 | 7380k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, P. 77, Ex. D, LISTEN TO INFER.mp3 | 2022-06-08 13:56 | 4219k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 7, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:56 | 1068k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 137, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 989k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 137, Ex. B, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 759k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 138, Ex. C, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 1171k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 138, Ex. D, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 2014k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 138, Ex. E, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 1310k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 78, Preview, Ex. A, FAMILY TRENDS.mp3 | 2022-06-08 13:56 | 1056k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 78, Preview, Ex. B, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1714k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 80, Ex. A, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1530k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 81, Ex. G, LISTEN TO ACTIVATE GRAMMAR.mp3 | 2022-06-08 13:56 | 3263k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 82, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 1388k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 83, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 608k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 83, Ex. B, PRONUNCIATION PRACTICE.mp3 | 2022-06-08 13:56 | 1070k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 83, Ex. C, LISTEN TO ACTIVATE VOCABULARY.mp3 | 2022-06-08 13:56 | 7124k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 84, Ex. A, LISTEN TO CONFIRM CONTENT.mp3 | 2022-06-08 13:56 | 6083k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 84, Ex. B, LISTEN TO INFER.mp3 | 2022-06-08 13:56 | 6089k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 84, Ex. D, WORD STUDY.mp3 | 2022-06-08 13:56 | 1294k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, P. 86, Ex. A, READING.mp3 | 2022-06-08 13:56 | 3485k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 8, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:56 | 1630k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 139, Ex. A, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 847k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 139, Ex. B, PRONUNCIATION LESSONS.mp3 | 2022-06-08 13:55 | 1139k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 90, Preview, Ex. A, A PLAUSIBLE EXPLANATION.mp3 | 2022-06-08 13:56 | 1069k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 90, Preview, Ex. B, ZOOM-IN.mp3 | 2022-06-08 13:56 | 1700k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 92, Ex. A, VOCABULARY.mp3 | 2022-06-08 13:56 | 3224k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 92, Ex. B, LISTEN TO ACTIVATE VOCABULARY.mp3 | 2022-06-08 13:56 | 1706k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 93, Ex. A, CONVERSATION MODEL.mp3 | 2022-06-08 13:56 | 350k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 93, Ex. B, PRONUNCIATION PRACTICE.mp3 | 2022-06-08 13:56 | 654k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 94, Ex. A, GRAMMAR CLOSE-UP.mp3 | 2022-06-08 13:56 | 1221k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 96, Ex. A, WORD STUDY.mp3 | 2022-06-08 13:56 | 437k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 96, Ex. C, UNDERSTAND FROM CONTEXT.mp3 | 2022-06-08 13:56 | 8166k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 96, Ex. D, LISTEN FOR SUPPORTING DETAILS.mp3 | 2022-06-08 13:56 | 8159k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 97, Ex. E, LISTEN TO SUMMARIZE.mp3 | 2022-06-08 13:56 | 8167k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, P. 98, Ex. A, READING.mp3 | 2022-06-08 13:56 | 3739k | 
| ![[SND]](/_autoindex/assets/icons/music.svg) C4 - Unit 9, Soft Skills Booster, Ex. A.mp3 | 2022-06-08 13:56 | 2058k |