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').
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Question: Mosquitoes spend one to ____ days in the pupae stage.\Question: Choose the right answer from options given a) zero b) two c) five d) three

Answer: b


Question: Summer is the hottest of the ____ temperate seasons , falling between spring and autumn .\Question: Choose the right answer from options given a) six b) four c) no d) nine

Answer: b


Question: Some robots have more than ____ degrees of freedom, some less, depending on the kind of work they do.\Question: Choose the right answer from options given a) five b) ten c) four d) six

Answer:
d