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').

[EX Q]: Young children suffer from an average of six to ____ colds a year.\Question: Choose the right answer from options given a) ten b) eight c) two d) one
[EX A]: b

[EX Q]: Blankets can take up to ____ days to dry in the colder months.\Question: Choose the right answer from options given a) eight b) three c) two d) nine
[EX A]: b

[EX Q]: Drip irrigation comes in ____ forms.\Question: Choose the right answer from options given a) two b) eight c) one d) six
[EX A]:
a