TASK DEFINITION: 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').
PROBLEM: Psychiatrists say that one in ____ people are mentally ill.\Question: Choose the right answer from options given a) one b) two c) four d) nine

SOLUTION: c

PROBLEM: Millipedes have ____ pairs of legs on each body segment.\Question: Choose the right answer from options given a) seven b) ten c) six d) two

SOLUTION: d

PROBLEM: Sea lions walk on all ____ flippers.\Question: Choose the right answer from options given a) eight b) seven c) six d) four

SOLUTION:
d