duolingo Urdu Meaning
Object reference not set to an instance of an object.Object reference not set to an instance of an object.
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Duolingo (/ˌduːoʊˈlɪŋɡoʊ/ DOO-oh-LING-goh or /ˌdjuːoʊˈlɪŋɡoʊ/ DYOO-oh-LING-goh) is a free language-learning platform that includes a language-learning website and app, as well as a digital language proficiency assessment exam.
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