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 volcanoes erupt for ____ to four weeks and then rest.\Question: Choose the right answer from options given a) three b) four c) one d) eight
[A]: a


[Q]: Fryers have ____ thermostats.\Question: Choose the right answer from options given a) five b) three c) two d) one
[A]: c


[Q]: Crystal cruise is a luxury ____ star Cruise line.\Question: Choose the right answer from options given a) two b) six c) ten d) eight
[A]:
b


