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: Casinos have no windows and they have ____ clocks.\Question: Choose the right answer from options given a) six b) four c) eight d) no

A: d
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Q: Beavers live in families that include an adult pair and ____ to three years worth of offspring.\Question: Choose the right answer from options given a) no b) one c) four d) ten

A: b
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Q: Mice become sexually mature in just a couple months and produce about eight litters in ____ year.\Question: Choose the right answer from options given a) one b) eight c) seven d) two

A:
a
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