单词拼写。
1. Two guards are standing there to look after the _________ (安全) of those personal possessions.
2. You have to make sure about the _________ (分配；分发) of these goods to each house.
3. This project is _________ (运作) very well-more and more children are getting what they need.
4. We're concerned about the fate of the _________ (代替) teachers.
5. Don't worry. It's just a r_________ (例行的) medical examination.
