2. 外语
  3. Once environmental damage ______, it takes many years for the system to recover.

Once environmental damage ______, it takes many years for the system to recover.

admin2014-03-31  52
问题 Once environmental damage ______, it takes many years for the system to recover.
选项 A、is done
B、will be done
C、has done
D、is to be done
答案A
解析
转载请注明原文地址:https://jikaoti.com/ti/g02MFFFM
本试题收录于： 大学英语三级B级题库大学英语三级分类
0

大学英语三级B级

大学英语三级

相关试题推荐
随机试题
最新回复(0)