根据句意和首字母提示，补全各小题单词。
1. If a Chinese lives in a f________ country, he or she is called an overseas Chinese.
2. Why didn't you do your homework? Students are s_________ to do their homework, you know.
3. I have been playing volleyball for hours. Now I'm so tired and t________. Could you get me some water?
4. It's not p________ to look around when you are speaking to others.
5. Most people agree that eating fruits and v_________ is good for health.
