1 Unit 3第5节第1题答案
（1）It’s on December 25th
（2）She is going to cook a big dinner
（3）He is going to buy gifts for his children
（4）No，They are going to decorate the christmas tree
2 Unit 3第5节第2题答案
第一列：my grandpa uncle and father；My cousin and me
第二列：help my grandma with the cooking