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: National forests have regulations that restrict ____ wheeler use to established roads.\Question: Choose the right answer from options given a) no b) four c) six d) nine

SOLUTION: b

PROBLEM: Respiratory therapists complete two to ____ years of education.\Question: Choose the right answer from options given a) no b) one c) four d) eight

SOLUTION: c

PROBLEM: Warts have a finite life span of anywhere from six months up to ____ years.\Question: Choose the right answer from options given a) two b) eight c) five d) nine

SOLUTION:
c