18：你将会发现这些建筑的设计、规划、建造的风格完全不同。(in different styles)
19：你们想让他们的建筑以一种看起来非自然的方式去建筑。(want,construct,unusual)
20：从顶部往下看，体育馆看上去像盖着一张灰色的钢网，像一个用树枝搭建的鸟巢。(seen,as if,cover)
21：经理不在的时候，由我负责管理公司。(in the absence of)
22：尽管腿部被击中，他仍继续像敌人开枪。
參考答案:18:You will find these architectural design, planning, construction of a style completely different
19: You want them to the construction of a building looks unnatural way.
20:From the top down, the stadium looked like a gray steel covered with a net, like a built using twigs to the nest
21:The absence of the manager, I am responsible for the management company
22:Although his leg was hit, he continued shooting as the enemy.