问题 更新时间2023/4/3 12:59:00 By the end of 2020 China _____ much stronger and richer. ( )(本题2.5分) A、 is becoming B、 will have become C、 will become D、 would become 答案 登录 注册 标准答案:B 出自:青书学堂 >> 西安石油大学-石油工程技术-大学英语l(下)