问题 更新时间2023/4/3 12:59:00 He kept in ______ contact with his family while he was abroad.(本题5.0分) A、 content B、 contain C、 constant D、 conclusion 答案 登录 注册 标准答案:C 出自:青书学堂 >> 陕西中医药大学大学英语(考查)(专升本)