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: Summer is the hottest of the ____ temperate seasons , falling between spring and autumn .\Question: Choose the right answer from options given a) six b) four c) no d) nine

SOLUTION: b

PROBLEM: Fever usually lasts for an average of ____ days in adults.\Question: Choose the right answer from options given a) zero b) three c) nine d) two

SOLUTION: b

PROBLEM: Encryption is a method of disguising data so that ____ outsiders can read it.\Question: Choose the right answer from options given a) four b) seven c) no d) nine

SOLUTION:
c