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: Some species can make dives over ____ hundred feet deep.\Question: Choose the right answer from options given a) six b) eight c) two d) one

SOLUTION: b

PROBLEM: Argentine ants are able to establish new colonies with as little as ____ worker ants and one queen.\Question: Choose the right answer from options given a) no b) two c) ten d) five

SOLUTION: c

PROBLEM: Clean culture is important since ____ herbicides are registered for use on rhubarb.\Question: Choose the right answer from options given a) three b) ten c) zero d) no

SOLUTION:
d