王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 This missile is designed so that once_____ nothing can be done to retrieve it. [ 2 分 ] A. fired B. being fired C. they fired D. having fired 答案 登录 注册 参参考考答答案案:: A 出自:江开 >> 乐山师范学院-综合英语 乐山师范学院继续教育学院