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: Most bacteria have one or ____ circular chromosomes.\Question: Choose the right answer from options given a) ten b) eight c) six d) two

SOLUTION: d

PROBLEM: Insects are arthropods that have a body with three segments, ____ legs, and one set of antennae.\Question: Choose the right answer from options given a) three b) one c) six d) zero

SOLUTION: c

PROBLEM: Butterflies account for only ____ percent of the lepidopteran insect species.\Question: Choose the right answer from options given a) four b) nine c) eight d) zero

SOLUTION:
c