根据句意和首字母写出单词。

1. Students should be allowed to v________ and help others.

2. Birthday is a s________ day for everyone.

3. If we wore our own clothes, we would feel more c________ and  that's

good for studying.

4. I'm sorry to hear that you have f________ a math test.

5. At p________ I’m busy. I'll do it later on.