1. engage V 名词---engagement 订婚/预定/占用
例句：She is engaged （她订婚了）
All the seats have been engaged (所有的座位都有人预定了）
No field has been engaged in this region （这个地区的耕地没有被占用）
2. Exhausted adj 疲劳的/耗尽的
例句： He is too exhausted to stretch a step.(他累的都迈不动步了）
We have to reflect when resources turned out to be exhausted.
(当资源开始耗尽枯竭的时候，我们不得不好好反思一下了）
3. Ignorant adj 名词--- ignorance 无知
例句： One is wise but ones may be ignorant.
(一个人可以很聪明，但一群人聚集起来就可能很无知）
4. Energetic adj 名词---energy 精力充沛的
例句： Energetic people are always the center in a group. (精力充沛的人，总是一个交际圈的焦点）

    The whole ______ ceremony made everyone ______, unless those_____kids were still running_____.