问题 更新时间2023/4/3 12:59:00 As there was a power failure in the hospital, the doctor had to ____operation.(本题1.5分) A、 call for B、 call off C、 call on D、 call out 答案 登录 注册 准答案:B 出自:青书学堂 >> 河南工业大学大学英语