Keisha is excited about trying out for the school musical because she has been taking singing lessons since first grade.

Keisha has been taking singing lessons since first grade, so she is excited to try out because she wants to use the singing ability she has developed. The best answer is “a desire to use her singing ability.” The question gives no evidence that she wants stardom, hopes to impress friends, or has special knowledge of musicals.

AI-written and checked against the verified answer.