What is the antecedent of the pronoun it?

Ivan left some music at the office. It was on a CD.

Xavier secretly admitted to his classmates that Mrs. Walker was his favorite teacher.

What is the antecedent for his?

What is the antecedent of the pronoun "her"?

My mother ate her salad.

What is the antecedent of the pronoun "their"?

Students should go to their classes prepared.

What is the pronoun that refers to the noun "teacher"?

The principal spoke to the teacher about the student that was sent out of her class. 

What is the antecedent in "The ocean is calm, and it barely makes a sound."

What is the pronoun in "The ocean is calm, and it barely makes a sound."

What is the antecedent in "The concert was fantastic, but it ended too early."

What is the pronoun in "The concert was fantastic, but it ended too early."

Emma and Priscilla made a 100 on their tests.

What is the antecedent for their?

Find the pronoun in the following sentence: I love language arts class!

The boy jumped in the water. He caused a big splash.

What is the antecedent for the pronoun He?

The boy jumped in the water. He caused a big splash.

What is the pronoun in the sentence?

Katie wrote a letter to her teacher.

What is the antecedent in the sentence?

Katie wrote a letter to her teacher.

What is the pronoun in the sentence?

If the singer gets on American Idol, she will be so happy.

What is the antecedent?

If the singer gets on American Idol, she will be so happy.

What is the pronoun?

The dog ran after the cat. The cat was afraid of it.

What is the antecedent?

The dog ran after the cat. The cat was afraid of it.

What is the pronoun?

While he was riding his 4 wheeler, Feliks almost hit a tree.

What is the antecedent?

While he was riding his 4 wheeler, Feliks almost hit a tree.

What is the pronoun?