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: Statistics show that within ____ years of divorce, many people marry a second time.\Question: Choose the right answer from options given a) four b) nine c) six d) three

SOLUTION: d

PROBLEM: Many animals use two or ____ forest structure types.\Question: Choose the right answer from options given a) eight b) zero c) two d) three

SOLUTION: d

PROBLEM: Raptors usually have three talons pointing forward and ____ talon pointing backward.\Question: Choose the right answer from options given a) no b) seven c) one d) five

SOLUTION:
c