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: Most children experience at least one episode by the time they are ____ years old.\Question: Choose the right answer from options given a) eight b) one c) ten d) seven

SOLUTION: d

PROBLEM: Cats have ____ toes on their front paws, but only four touch the ground when walking.\Question: Choose the right answer from options given a) six b) nine c) five d) zero

SOLUTION: c

PROBLEM: Postal codes are ____ characters long and are a mixture of three letters and three numbers.\Question: Choose the right answer from options given a) seven b) one c) six d) eight

SOLUTION:
c