Answers:
estoy, estás, está, estamos, estáis, estan pronunciando (pronoun changes with the person(s) you are speaking to or about)
Answer:La bandeja de entrada.
Explanation:
Entrada is received (Inbox) and Enviada is sent. The question is asking which box has all the emails you have received.
Tengo que ir a la clase de piano y no me gusta nada. Estoy <u><em>triste.</em></u>
Answer: Triste
I believe that it would be B (reloj) since it is talking about how there is a window, a door and then a clock in a classroom.
It is also giving you the masculine singular form indicating that it can only be reloj.
