根据汉语意思或首字母提示，填写适当的单词。
1. The weather during our holiday was p________.
2. After a time, you get to ________ (认识到) the importance of English study.
3. It's i________ for man to go to the sun.
4. We used to go to the c________ once a week.
5. They are still ________ (搜寻) for the missing child.
