Select the sentence that has correct pronoun-antecedent agreement: The man received her invitation today., The children completed their project., The girl lost his pencil., The boy has a dog. She feeds it.

Select the sentence that has correct pronoun-antecedent agreement: The man received her invitation today., The children completed their project., The girl lost his pencil., The boy has a dog. She feeds it.

Explanation

The children completed their project.

"Children" is plural, and "their" correctly matches the plural antecedent.