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: Ants have six legs, and each leg has ____ joints.\Question: Choose the right answer from options given a) nine b) zero c) two d) three

SOLUTION: d

PROBLEM: Breast cancer strikes one out of every ____ American women.\Question: Choose the right answer from options given a) one b) nine c) no d) six

SOLUTION: b

PROBLEM: Pupae have ____ short horns.\Question: Choose the right answer from options given a) zero b) seven c) two d) nine

SOLUTION:
c