TASK DEFINITION: Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').
PROBLEM: Banks hold ____ excess reserves and the public holds no currency.\Question: Choose the right answer from options given a) two b) seven c) ten d) no

SOLUTION: d

PROBLEM: Calves are born ____ and a half months after mating.\Question: Choose the right answer from options given a) six b) ten c) eight d) two

SOLUTION: c

PROBLEM: Inhibited desire is the most common sexual dysfunction, effecting one in ____ couples.\Question: Choose the right answer from options given a) four b) three c) zero d) one

SOLUTION:
b