题目内容：

阅读下列短文，根据短文内容填空，在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。

In the film Frozen 1, Elsa and Anna are sisters who live in a kingdom called Arendella. Elsa is born 1. special powers that allow her to create ice and snow. Elsa’s powers are considered dangerous, 2. she must hide them. Eventually she loses control and changes summer to winter. Then Elsa flees from home, and Anna goes on a dangerous journey to find her sister. Along the way, Anna teams up with a man 3. (name) Kristof and his reindeer（驯鹿）)Sven. A talking snowman, Olaf also accompanies them. In the end, it’s Anna’s love for her sister that saves the day.