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: Ground squirrels breed once a year, averaging ____ to eight per litter.\Question: Choose the right answer from options given a) seven b) one c) six d) ten

SOLUTION: a

PROBLEM: Cows can be up to ____ times more active than normal while in heat.\Question: Choose the right answer from options given a) eight b) nine c) two d) six

SOLUTION: a

PROBLEM: Hindu myths imagine the universe being upheld by ____ elephants standing on a turtle's back.\Question: Choose the right answer from options given a) four b) no c) five d) two

SOLUTION:
a