Why does the definite article "o" sometimes come before the "que"?

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How do I use the present continuous in German? For example, phrases like "I am studying German now" or "They are talking to me"
Nayane Bremm
¿Debo usar "could" o "can" para hacer preguntas?
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Introdução: Nayane Bremm
Nayane Bremm
Why is German called "Deutsch" in German, while Dutch is called "Niederländer"? Why do some Romance languages seem to use a different root word, like "Alemán" in Spanish and "Allemand" in French?
Nayane Bremm
¿Cuál es la différencia entre "lastname" o "surname"?
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What are some fruits and vegetables that have different names in different countries, like palta (Chile) vs aguacate (Mexico)?
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Einführung: Nayane Bremm
Nayane Bremm
What is the difference between the nominative personal pronoun and the personal pronoun? When do we use the personal pronoun?
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