根据句意及首字母提示填单词，完成句子。

1. Do we have to wear a u______ at school?

2. The students are having an English class in the c______.

3. I have to w______ my clothes on the weekend.

4. I had a f______ with Bob and we didn't speak to each other after that.

5. She didn't a________ in New York in the morning, but in the afternoon.