Hola!! Your answer for this question is oficina de correos.
1.) If you translate the question you get:
I need to buy an envelope in a ____
post Office
Bank
Bakery
Museum
2.) From the options, the best answer will be the Post Office. You can buy an envelope there.
#5 está
#6 estamos
I recommend using spanishdict for these types of questions.
I`ll take a gander and say it` s C. Statue
Answer:
Antes de estudiar español, yo no podía entender lo que decían mis vecinos cubanos.
