根据所给的中文提示，仔细阅读句子，然后填出单词的正确形式。
1. The boy ______（花费）three days reading the novel.
2. To our________（愉快）, the actress will come to Xingyi next Sunday.
3. It’s not reasonable to _______ （浪费）too much time on video games
4. Qipao is a _____________ （传统的）dress for Chinese women, and it is becoming popular in the world of high fashion.
5. There is going to be a _______________（毕业）ceremony next month.
