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: Pups get their sight in about ____ days.\Question: Choose the right answer from options given a) five b) six c) ten d) nine

SOLUTION: c

PROBLEM: Blood pressure is measured by ____ numbers.\Question: Choose the right answer from options given a) zero b) eight c) two d) seven

SOLUTION: c

PROBLEM: China has about one in ____ of all smokers in the world.\Question: Choose the right answer from options given a) no b) ten c) seven d) four

SOLUTION:
d