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: Insects have ____ pairs of legs and three body segments.\Question: Choose the right answer from options given a) one b) nine c) no d) three

SOLUTION: d

PROBLEM: Parliaments can last five years, often last ____ and a bit.\Question: Choose the right answer from options given a) four b) three c) five d) two

SOLUTION: a

PROBLEM: Young salmon spend ____ to four years in their natal river.\Question: Choose the right answer from options given a) four b) one c) zero d) eight

SOLUTION:
b