01 / 7BBC Learning English≈ livello approssimativoC16:06–6:13 , .
02 / 7BBC Learning English≈ livello approssimativoB16:19–6:28
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03 / 7BBC Ideas≈ livello approssimativoB14:11–4:14
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04 / 7CrashCourse≈ livello approssimativoB14:01–4:10
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05 / 7TED-Ed≈ livello approssimativoC14:25–4:33
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06 / 7CNBC Make It≈ livello approssimativoC18:53–9:01
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07 / 7CrashCourse≈ livello approssimativoC12:01–2:09
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