Subject and object pronouns

Elephants are very big, so _______________ eat a lot of food.

Who made a perfect grade after Ms. Davis checked Karla's paper? Options: She, Karla, I

Identify the subject pronoun.
He landed on Circe's island with his crew.

Identify the subject pronoun.
It was a beautiful island.
Options: It, was, beautiful, island

Identify the subject pronoun in the sentence: "Do you know the story of any of these dangers?"

Does the sentence "He bought groceries to eat for dinner." have a subject or object pronoun?

Does the sentence "Don't mess with them." have a subject or object pronoun?

Choose the correct pronoun: (He, Him) and Claire told jokes to pass the time.

Aunt Alicia gave (we, us) a book about Elizabeth Blackwell.

I’m busy right now. Could you please call _______________ after an hour? Options: them, you, her, me