单词提示：
grab v. 抢夺；
答案：That was the Christmas when my sisters and I learned the joy of making others happy.
本句节选自《Christmas Morning》
总结：
1. On that Christmas Day, my sisters and i figured out the pleasure from making others happy.
2. On that Christmas Day realized my sister and I the happiness of providing others with joys.
3. On that Christmas day, my sisters and I obtained the pleasure from making others happy.
责任编辑：wangpeng6151
