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: 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: Indian reservations are part of five of the nation's ____ poorest counties.\Question: Choose the right answer from options given a) seven b) nine c) ten d) two

SOLUTION: c

PROBLEM: Gypsy moth spends four to ____ weeks in the larval stage.\Question: Choose the right answer from options given a) six b) ten c) one d) eight

SOLUTION:
a