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.