Question

complete the sentence with the pronoun that agrees with the word or words in bold. when my sister and i went camping with \boxed{} stepdad, he snored so loudly that we couldnt sleep.

Explanation:

The bolded phrase "my sister and I" is a first - person plural subject in terms of possession. The possessive pronoun that agrees with this subject to show ownership of the stepdad is "our" because "my sister and I" are the ones related to the stepdad, and "our" is the first - person plural possessive pronoun.

Answer:

our