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: Voles are prolific breeders and can produce four to ____ litters a year.\Question: Choose the right answer from options given a) four b) two c) six d) three

SOLUTION: c

PROBLEM: Japan is a highly urbanised country, with approximately three in every ____ people living in cities.\Question: Choose the right answer from options given a) seven b) two c) four d) eight

SOLUTION: c

PROBLEM: Married women have a ____ in seven chance of being raped by their husbands.\Question: Choose the right answer from options given a) eight b) one c) four d) zero

SOLUTION:
b