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: Verbs have ____ functions in sentences.\Question: Choose the right answer from options given a) two b) eight c) no d) ten

SOLUTION: a

PROBLEM: Decompression illness is a continuum from ____ symptoms or signs to severe multisystem involvement.\Question: Choose the right answer from options given a) nine b) three c) no d) one

SOLUTION: c

PROBLEM: Diatoms are in ____ shells and make the water brown.\Question: Choose the right answer from options given a) six b) eight c) two d) nine

SOLUTION:
c