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: Peonies grow from two to ____ feet in height.\Question: Choose the right answer from options given a) five b) zero c) three d) four

SOLUTION: d

PROBLEM: Asthma accounts for ____ in six of all pediatric emergency visits in the United States.\Question: Choose the right answer from options given a) four b) seven c) one d) six

SOLUTION: c

PROBLEM: Edge is the space where ____ different ecosystems meet.\Question: Choose the right answer from options given a) two b) four c) ten d) seven

SOLUTION:
a