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]: Ostriches have ____ stomachs.\Question: Choose the right answer from options given a) four b) nine c) eight d) three
[A]: d


[Q]: Scorpions can live for ____ to seven years.\Question: Choose the right answer from options given a) one b) six c) five d) three
[A]: d


[Q]: Mothers carry infants constantly their first ____ weeks.\Question: Choose the right answer from options given a) five b) one c) three d) eight
[A]:
c


