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: Casinos have no windows and they have ____ clocks.\Question: Choose the right answer from options given a) six b) four c) eight d) no

SOLUTION: d

PROBLEM: Trinity comes from tri-unity which means ____ in one.\Question: Choose the right answer from options given a) four b) three c) eight d) zero

SOLUTION: b

PROBLEM: All cells act as sources, but most cells just propagate sound because they have ____ amplitude.\Question: Choose the right answer from options given a) zero b) six c) no d) three

SOLUTION:
a