问题详情：
根据句意及首字母提示，完成下列单词的拼写。
1. We mustn't waste water. We must s________ water.
2. He keeps himself f________ by running five miles every day.
3. The floor is dirty. Could you please s______it?
4. Don't f________ the animals when you are in the zoo. It's not good for the animals.
5. This is the best clothing store. It has good q________ clothes.
【回答】
1. save 2. fit 3. sweep 4. feed 5. quality
知识点：单词拼写
题型：完成句子
