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: Foresters usually work ____ hours a day, five days a week.\Question: Choose the right answer from options given a) six b) five c) seven d) eight

SOLUTION: d

PROBLEM: Black widows mature in ____ to four months.\Question: Choose the right answer from options given a) two b) seven c) eight d) zero

SOLUTION: a

PROBLEM: Sediment particles themselves have ____ methods of transport.\Question: Choose the right answer from options given a) eight b) seven c) one d) two

SOLUTION:
d