Final answer:
To accurately determine what Sara does at night, the student must refer to the given materials, as this information cannot be inferred without context.
Step-by-step explanation:
The student's question inquiries about the nightly activities of a character named Sara. Without additional context or the ability to listen and read the provided materials, it's impossible to provide a definite answer to the question: What does Sara do at night? The options given are: a. Moisturizes her legs b. Paints her nails c. Shaves her legs d. Washes her nails. To accurately complete the sentence, the student must refer to the specific content they have listened to or read. It is important for students to pay close attention to details in the text or audio to correctly answer such questions.