王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 Once environmental damage ___________, it takes many years for the system to recover.A. is to do B. does C. had done D. is done 答案 登录 注册 D 出自:江开 >> 统考 英语 西安文理学院继续教育学院