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: Young children suffer from an average of six to ____ colds a year.\Question: Choose the right answer from options given a) ten b) eight c) two d) one

SOLUTION: b

PROBLEM: Infants usually die of pneumonia or other infections before reaching ____ years of age.\Question: Choose the right answer from options given a) nine b) four c) zero d) eight

SOLUTION: b

PROBLEM: Mites have a ____ legged nymph stage and an eight legged adult stage.\Question: Choose the right answer from options given a) two b) six c) zero d) no

SOLUTION:
b