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: Physical abuse occurs in approximately one out of every ____ dating relationships.\Question: Choose the right answer from options given a) six b) four c) one d) ten

SOLUTION: b

PROBLEM: Corms are undifferentiated, uniform, and contain ____ rings when cut apart.\Question: Choose the right answer from options given a) no b) three c) one d) zero

SOLUTION: a

PROBLEM: Sweetbreads come in ____ varieties.\Question: Choose the right answer from options given a) seven b) two c) six d) no

SOLUTION:
b