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09 / 20TED≈ livello approssimativoA24:08–4:11
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10 / 20Lex Clips≈ livello approssimativoC15:42–5:53
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11 / 20Lex Clips≈ livello approssimativoB17:28–7:30
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12 / 20TED≈ livello approssimativoB18:05–8:12
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13 / 20BBC Earth≈ livello approssimativoC12:34–2:43
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14 / 20BBC Ideas≈ livello approssimativoB21:53–2:04
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15 / 20Big Think≈ livello approssimativoB212:49–12:54
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17 / 20The Tonight Show≈ livello approssimativoC11:06–1:09
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18 / 20BBC Learning English≈ livello approssimativoA21:04–1:07
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19 / 20TED-Ed≈ livello approssimativoC12:39–2:51
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20 / 20TED-Ed≈ livello approssimativoB23:44–3:58
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