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').

[Q]: Most birds have ____ toes, three that face forward and one rearward.\Question: Choose the right answer from options given a) two b) ten c) nine d) four
[A]: d


[Q]: Parliamentary democracy is less than ____ years old in Nigeria.\Question: Choose the right answer from options given a) eight b) two c) nine d) three
[A]: b


[Q]: Scientists think that macaws mate for life, producing one to ____ young each year.\Question: Choose the right answer from options given a) three b) eight c) five d) nine
[A]:
a