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]: Most spiders have ____ eyes and eight legs.\Question: Choose the right answer from options given a) eight b) five c) no d) three
[A]: a


[Q]: Gases are perhaps the best understood of the ____ states of matter.\Question: Choose the right answer from options given a) three b) five c) nine d) zero
[A]: a


[Q]: Postal codes are six characters long and are a mixture of ____ letters and three numbers.\Question: Choose the right answer from options given a) three b) six c) five d) nine
[A]:
a