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.
The answer would be Es viernes, el catorce (when you say 14 you don't say diez y cuatro so that's why it can't be the first one) de marzo. I hope this helps!
Francisco pays for the clothes in the store with pesos...He is in Mexico
