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: Couples often date from one to ____ years before getting engaged.\Question: Choose the right answer from options given a) three b) nine c) eight d) seven

SOLUTION: a

PROBLEM: Eastern cottontails have ____ different fur coats each year.\Question: Choose the right answer from options given a) five b) two c) eight d) six

SOLUTION: b

PROBLEM: Saliva exerts ____ effects.\Question: Choose the right answer from options given a) zero b) eight c) six d) two

SOLUTION:
d