Answer:
strap on your roller skates and glide to Christmas mass.
Explanation:

El ano Nuevo means new year
The answer is (acabe) because it refers to the fact that he has not finished his studies and when he finishes it he could finally be an astronaut.
i put it into google translate and this is what it said The em 31st of October and alex is nervous. make sure you speelled evrey thing correctly. let me know! hope this helps! :D