【题目】My trip to Tibet is so wonderful that I am eager to tell you about it.
My trip to Tibet is so wonderful that I to you of it.

【答案】am；anxious；inform
【解析】句意：我的西藏之行很精彩，我很想告诉你。be anxious to do sth.固定短语，“急切希望做某事”；inform sb. of sth.固定短语，“告知某人某事”。根据所给内容，可知答案为am anxious inform。