听力原文：

Peter married Rose ten years ago. They’re poor, but they love each other very much. Tomorrow is Christmas Day. Peter wanted to buy Rose a present. He looked in ten stores. At last he found a comb. It was very nice. He was sure Rose would like it very much, because Rose has long, blonde hair. But he couldn’t afford it. He felt very sad. When he told Rose about this, Rose smiled and kissed him. She told him that his love was her best Christmas present.

Question: What did Peter buy at last?

参考答案：

He bought nothing.