根据句意和首字母提示，填写单词
1. The book is mine. It has my n________ “Tom” on it.
2. At night we can see many Christmas l__________ on our house.
3. Yesterday I helped Jenny p_______ up the Christmas tree.
4. Christmas is in w_________, so we can see snow during the time.
5. People usually sing Christmas s_______ on Christmas Day.
