Answer:
1. Where are you going this hour?
2. Have he seen you as yet?
3. Why can't I just be who I am?
4. My mom and dad surprised Eric and me with our very first car.
5. She and he have been best friends since they were in primary school.
6. I waited in the park for him before meeting Aaron and her.
7. I thoroughly enjoyed going to the cinema with Jenna and him.
8. We all laughed when she attempted the trick.
Explanation:
There are subject pronouns and object pronouns.
Subject pronouns act as the subject of a verb.
he, she, it, we, you, they, I, and you.
Sentences 1, the first part in the sentence number 2, 3, 5, the first part in the sentence number 6 and 8 have object pronouns.
Object pronouns act as the object of the verb. They are the direct object in the sentence.
him, her, it, us, you, them, me, and you.
Sentences number 2, in its second part, 4, the second and third part in the sentence number 6, and 8 have object pronouns.