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: Food chains consist of ____ trophic levels.\Question: Choose the right answer from options given a) ten b) three c) one d) four

SOLUTION: d

PROBLEM: Most women take about ____ weeks to stop bleeding and to heal inside.\Question: Choose the right answer from options given a) two b) no c) four d) zero

SOLUTION: c

PROBLEM: Chicks add a pound to their body weight every ____ or five days.\Question: Choose the right answer from options given a) nine b) four c) five d) seven

SOLUTION:
b