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]: Some species can make dives over ____ hundred feet deep.\Question: Choose the right answer from options given a) six b) eight c) two d) one
[A]: b


[Q]: Peonies grow from two to ____ feet in height.\Question: Choose the right answer from options given a) five b) zero c) three d) four
[A]: d


[Q]: Indoor air is ____ times more polluted than out door air.\Question: Choose the right answer from options given a) six b) three c) two d) one
[A]:
b