王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 31. (单选题)Our country’s iron and steel industry ( ) very rapidly for about 20 years .(本题1.0分) A、 have been developing B、 has been developing C、 have being developed D、 has being developed 答案 登录 注册 标准答案:B 出自:青书学堂 >> 河南城建学院大学英语四 河南城建学院继续教育学院