英语_environmental dmage is done,it takes many years for the ecosystem to recover.A Even if

分类: 作业答案 • 2021-11-13 00:34:31

问题描述：

英语_environmental dmage is done,it takes many years for the ecosystem to recover.A Even if
B If only C While D One请指点原因

答

D.Once 一旦 .就.
环境损害一旦造成 ,.