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]: Whales are divided into ____ categories, based on their teeth.\Question: Choose the right answer from options given a) two b) four c) nine d) ten
[EX A]: a

[EX Q]: Flatbed scanners can also record ____ dimensional objects of many sizes and shapes.\Question: Choose the right answer from options given a) eight b) one c) four d) three
[EX A]: d

[EX Q]: Acute pain is sudden pain that goes away quickly, usually lasting for less than ____ months.\Question: Choose the right answer from options given a) eight b) three c) no d) six
[EX A]:
b