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: Wolverines reproduce every ____ or three years.\Question: Choose the right answer from options given a) two b) three c) one d) four

SOLUTION: a

PROBLEM: Most toddlers find it hard to sit still for more than a few seconds, let alone ____ minutes.\Question: Choose the right answer from options given a) no b) three c) four d) zero

SOLUTION: b

PROBLEM: Snapdragons come in ____ different sizes.\Question: Choose the right answer from options given a) four b) three c) six d) two

SOLUTION:
b