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: Double price is based on two golfers sharing ____ room.\Question: Choose the right answer from options given a) one b) zero c) six d) nine

SOLUTION: a

PROBLEM: People can go without food for up to about ____ weeks.\Question: Choose the right answer from options given a) three b) one c) nine d) four

SOLUTION: a

PROBLEM: Animals are innocent, whatever they do, because they have ____ conscious desire to achieve or become.\Question: Choose the right answer from options given a) no b) two c) nine d) five

SOLUTION:
a