1Unit 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
2Unit 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
