How can I complete Demo lesson?

8 年前

I cannot see and hear robot even if I click the lesson start button. And, when I get out from the Demo lesson screen,  the site says you have not finish demo lesson yet!!!!

Text-to-Speech

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قم بالترجمة

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risa

الانجليزية

المملكة المتحدة

4:02 PM (GMT+09:00)

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