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: 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: China has about ____ in four of all smokers in the world.\Question: Choose the right answer from options given a) one b) seven c) ten d) six

SOLUTION: a

PROBLEM: Coronations are to be found everywhere, for there are ____ societies without traditions.\Question: Choose the right answer from options given a) no b) two c) five d) nine

SOLUTION:
a