01 / 18CrashCourse≈ livello approssimativoC13:09–3:13 .
02 / 18CrashCourse≈ livello approssimativoB19:21–9:26
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03 / 18CrashCourse≈ livello approssimativoB29:02–9:09
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04 / 18Sprouts≈ livello approssimativoB21:36–1:46
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05 / 18StoryCorps≈ livello approssimativoA20:23–0:26
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06 / 18BBC Ideas≈ livello approssimativoB12:35–2:43
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07 / 18NBC News≈ livello approssimativoB22:23–2:29
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08 / 18NBC News≈ livello approssimativoA23:39–3:42
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09 / 18Sprouts≈ livello approssimativoC12:32–2:36
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10 / 18Big Think≈ livello approssimativoB15:13–5:17
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11 / 18The New Yorker≈ livello approssimativoB21:29–1:39
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12 / 18TED≈ livello approssimativoC12:19–2:28
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13 / 18BBC Learning English≈ livello approssimativoB20:33–0:51
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14 / 18Big Think≈ livello approssimativoA22:02–2:13
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15 / 18NBC News≈ livello approssimativoC10:49–1:01
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16 / 18BBC Ideas≈ livello approssimativoC11:06–1:17
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17 / 18TED-Ed≈ livello approssimativoB24:17–4:32
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18 / 18The New Yorker≈ livello approssimativoC11:12–1:29
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