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: Routers are basically systems, which connect ____ networks together.\Question: Choose the right answer from options given a) three b) two c) nine d) six

SOLUTION: b

PROBLEM: Most toddlers find it hard to sit still for more than a few seconds, let alone ____ minutes.\Question: Choose the right answer from options given a) no b) three c) four d) zero

SOLUTION: b

PROBLEM: Cords begin to form between the ages of ____ and nine months.\Question: Choose the right answer from options given a) six b) nine c) one d) seven

SOLUTION:
a