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: Vaporization can occur in temperatures as low as ____ degrees.\Question: Choose the right answer from options given a) one b) zero c) eight d) two

A: b
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Q: Some families have two daddies or ____ mommies.\Question: Choose the right answer from options given a) nine b) seven c) zero d) two

A: d
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Q: Most birds of prey have ____ toes in front on their feet , and one toe in the back.\Question: Choose the right answer from options given a) three b) ten c) seven d) two

A:
a
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