the bison had a bad effect on the whole wildlife chain of the plains. [ ] A. Kil
来源：网络
时间：
推荐文章
![the bison had a bad effect on the whole wildlife chain of the plains. [ ] A. Kil](/pic/43_745094.jpg)
__________ the bison had a bad effect on the whole wildlife chain of the plains.
[]
A. Kill B. The killing C. Killing ofD. Killing
试题答案
答案：D