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: Children of alcoholics are ____ times more likely than other people to become alcoholics themselves.\Question: Choose the right answer from options given a) zero b) four c) nine d) two

SOLUTION: b

PROBLEM: Some taxonomists classify only ____ species though.\Question: Choose the right answer from options given a) one b) six c) two d) three

SOLUTION: c

PROBLEM: Exorcism leaves ____ dead .\Question: Choose the right answer from options given a) five b) seven c) one d) zero

SOLUTION:
b