听力原文：

Tina: Bill, who’s more hard-working, your sister or you?

Bill: My sister thinks she works harder than me. In fact, I study as hard as she does. But she is cleverer than me.

Tina: Your sister isn’t cleverer than you. You are a little lazier than her.

Bill: You’re right. She always gets up earlier and goes to bed later.

Tina: I believe God rewards those who work hard.

Bill: Ha ha, from now on, I will work harder.

Question: Who’s more hard-working, Bill or his sister?

参考答案：

Bill’s sister.