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: Honeybees have ____ jobs.\Question: Choose the right answer from options given a) ten b) one c) three d) two

SOLUTION: d

PROBLEM: Water is present in all ____ phases in Earth s atmosphere.\Question: Choose the right answer from options given a) six b) nine c) two d) three

SOLUTION: d

PROBLEM: Air quality is important to long-term economic growth for ____ reasons.\Question: Choose the right answer from options given a) three b) five c) no d) four

SOLUTION:
a