These animals their environment; , they have learned how to live successfully in
来源：网络
时间：
推荐文章
These animals ________ their environment; ________, they have learned how to live successfully in the habitat.
[]
A．all used to;that isB．all used to;for exampleC．are all used to;that isD．are all used to;for example
试题答案
答案：