Question

noredink v
noredink week #23 (pronoun-antecedent agreement)
questions answered: 14
fix the pronoun error (if one exists).
mufasa rescued every worm from the sidewalk so no one stepped on them.
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Explanation:

The antecedent "every worm" is singular, so the pronoun must match in number. "Them" is plural, so it needs to be replaced with the singular, gender-neutral pronoun "it".

Answer:

Mufasa rescued every worm from the sidewalk so no one stepped on it.