把横线上的单词补充完整
问题描述：
把横线上的单词补充完整
O——Christmas Eve.my parents s——a long time cooking in the kitchen.I bought a Christmas t——and put some beautiful decorations on it.In the evening,the whole f——had a nice dinner.We all a——a lot and felt happy.
悬赏会再加的
答
on
spent
tree
family
appreciate