Answer:
Nominative
Step-by-step explanation:
So, we know that nominative pronoun's are I, you, he, she, it, they, and we, as used in the sentence "The voice was familiar, but the manner in which he spoke was strange." We notice that the pronoun used was he as i underlined above. Therefore meaning that the answer is nominative.
Nominative pronouns: I, you, he, she, it, they, and we
Objective Pronouns: her, him, it, me, them, us, and you
Possessive Pronouns: my, mine, our, ours, its, his, her, hers, their, theirs, your and yours.