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: Control is defined as a dead plant with ____ signs of life.\Question: Choose the right answer from options given a) ten b) nine c) no d) zero

SOLUTION: c

PROBLEM: Toenails are similar , except that they grow ____ times slower and are on the toes .\Question: Choose the right answer from options given a) two b) eight c) six d) four

SOLUTION: d

PROBLEM: Most red knots live four or ____ years.\Question: Choose the right answer from options given a) four b) five c) three d) ten

SOLUTION:
b