What roles do introductions/greetings play in culture?

Someone pls ill give brainliest what would be the answer to this question question- miro mis libros y estudió la lección en silencio aquí (here). my answer- librería. my teacher said- try this one again! 'librería' is a false cognate; is doesn't mean 'library'.

Choose the imperfect verb that matches the given pronoun. ellos/ellas/uds.

What area in south florida, heavily populated with cubans, would you visit if you wanted to learn about the cuban culture? little havana, habana, ybor city, lima