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: Right whales are slow swimmers, averaging just ____ miles per hour.\Question: Choose the right answer from options given a) nine b) six c) two d) five

SOLUTION: b

PROBLEM: Some motors contain ____ gears and spin very fast, and have little if any torque.\Question: Choose the right answer from options given a) four b) three c) five d) no

SOLUTION: d

PROBLEM: Most babies eat every two to ____ hours.\Question: Choose the right answer from options given a) four b) ten c) zero d) no

SOLUTION:
a