Answer:
WAIT! I already answered this question
Explanation:
May I ask what is the sentence? I could help you
Espanol is the nationality of Europe.
You say: Yo no sé o yo no lo sé
Answer:
false
Explanation:
they are not always used interchangeably. It depends on the scenario and in Spanish if in the scenario it is interchangeable often the one that sounds better is used.