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: Most roots require from three to ____ weeks to dry sufficiently to be safe.\Question: Choose the right answer from options given a) seven b) five c) three d) six

SOLUTION: d

PROBLEM: Voles are prolific breeders and can produce four to ____ litters a year.\Question: Choose the right answer from options given a) four b) two c) six d) three

SOLUTION: c

PROBLEM: Biennials start from seeds and last for ____ seasons.\Question: Choose the right answer from options given a) seven b) two c) no d) eight

SOLUTION:
b