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: Today there are ____ UK hospitals doing heart transplants.\Question: Choose the right answer from options given a) three b) five c) six d) nine

SOLUTION: d

PROBLEM: Cooked meat freezes well for up to ____ months.\Question: Choose the right answer from options given a) four b) three c) eight d) five

SOLUTION: b

PROBLEM: Democracy means putting a cross on a piece of paper once every ____ years.\Question: Choose the right answer from options given a) seven b) six c) two d) five

SOLUTION:
d