Fill the blank with one of the word in pharentheses(1) las a la asociación estaban fallando. (subvenciones / peticiones) (2) la asociación decidió inventar una para el parkinson. (pastilla / causa)(3) michael j. fox hizo el papel de un y tiene parkinson. (hombre lobo / hombre araña) (4) la forma para llegar a todo el mundo es lo más fuerte (loud) posible. (cantar / aullar)

These are the answers:

(1) Las SUBVENCIONES a la asociación estaban fallando.

(2) La asociación decidió inventar una PASTILLA para el Parkinson.

(3) Michael J. Fox hizo el papel de un HOMBRE LOBO y tiene Parkinson.

(4) La forma para llegar a todo el mundo es AULLAR lo más fuerte (loud) posible.

Explanation: Just to elaborate a little bit on the answer, it can be added that in this excercise they are asking you to choose between two possible words with which to fill the blank—grants and petitions, pill and cause, wolf man and spider man, and sing and howl. Although in Spanish it is not common to use the word "howl" to express a complaint or a strong emotion, I have selected it because it is more frequent in English.  

read the text, then mark the beginning, the node and the outcome, and point out the characteristics of the quantum manifested in the story

the black sheep

in a distant country a black sheep existed many years ago, was shot.

a century later, the repentant flock raised an equestrian statue that was very good in the park.

thus, in the future, every time that black sheep appeared they were quickly passed by the arms so that the future generations of common sheep could also be exercised in the sculpture