"estudiaría" would be the conditional form of the verb "s/he studies", changing it to "s/he would study"
Answer:
B.
Explanation:
Conozco means 'I know' Spanish is very different from English so it doesn't translate exactly but if it were, 'Yo lo se bien' it would be something like 'I know well' and when its 'Yo lo conozco bien' it means I know him well. That fits the contexts of the situation
El idioma más antiguo es el sumerio y la otra pregunta no se
