[单选]  此小节有1篇短文，短文后有5个单词。请选择可以填入短文空白处的单词。每个单词只能选择一次。（共5小题，每小题3分，满分15分) The date was like any other day in his life. After school Bill walked past the shop on the street corner. He stopped to look at the front row of shoes, and he felt for sorry for himself. He really wanted to have a for his birthday. He sadly walked away and thought of what to tell his mother. He knew she would give him anything if she could. But he also knew very well she had little . He decided not to go home as he looked worried and he didn't want to make his mother worry about it. So he went to the park and there he sat on the grass. Then he saw a girl in a wheelchair(轮椅). He found that the girl moved the wheels with her hands. Bill looked at her carefully and was surprised to see that the girl had no . He looked down at his own feet . "It is much better to be without shoes than without feet." It was not right for him to feel so sorry and sad. He went away and , thinking he was more lucky in life.