He and I are the correct answer.
There are three personal pronouns: subject, object, and possessive.
1 First-person singular: I, me, mine.
2 First-person plural: we, us, ours.
3 Second person, singular and plural: you, yours.
4 Third-person masculine singular: he, him, his.
5 Third-person feminine singular: she, her, hers.
A pronoun (I, me, he, she, herself, you, it, that, they, each, few, many, who, whoever, whose, someone, everybody, etc.) is a word that takes the place of a noun. In the sentence, Joe saw Jill, and he waved at her, the pronouns he and her take the place of Joe and Jill, respectively.
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