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 toddlers find it hard to sit still for more than a few seconds, let alone ____ minutes.\Question: Choose the right answer from options given a) no b) three c) four d) zero
[A]: b


[Q]: Oranges signify good health, and the number ____ sounds like the word for prosperity.\Question: Choose the right answer from options given a) eight b) ten c) seven d) five
[A]: a


[Q]: Births usually occur at night, any time of the year and every ____ years or so.\Question: Choose the right answer from options given a) six b) four c) one d) zero
[A]:
b