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: Worker bees have ____ pairs of wax glands on the underside of their abdomens.\Question: Choose the right answer from options given a) no b) two c) nine d) four

SOLUTION: d

PROBLEM: Weasels reaching ____ to six years are regarded as fully mature.\Question: Choose the right answer from options given a) one b) seven c) five d) zero

SOLUTION:
c