Question

my co - workers and ______ will attend the chicago show in october.
a. him
b. her
c. me
d. i

Explanation:

The blank is part of the subject of the sentence, so a subjective personal pronoun is required. "I" is the subjective form, while "him", "her", and "me" are objective pronouns used for objects of verbs or prepositions.

Answer:

D. I