A flight in a plane used to be one hundred years ago. [ ] A．an adventureB．the ad
来源：网络
时间：
推荐文章
![A flight in a plane used to be one hundred years ago. [ ] A．an adventureB．the ad](/pic/43_954186.jpg)
A flight in a plane used to be _______ one hundred years ago.
[]
A．an adventureB．the adventureC．adventureD．adventures
试题答案
答案：A
提示：（“乘飞机飞行”在过去是一件“冒险的事”，故adventure可数.） |