Biblioteca
Estuda os sinais, revê a matéria e consulta resumos quando precisares.
#adq9empj
From this sign, I know that:
Question under review
This question hasn't been validated yet, so it doesn't appear in exams and the correct answer isn't shown for now.
AI will never be able to use audible signals.
BThe prohibition of using audible signals ends.
CI must use audible signals at night.