问题 更新时间2023/4/3 12:59:00 Not until Mr. Smith came to China _____ what kind of country she is from.(本题2.5分) A、 he knew B、 he didn.t know C、 did he know D、 he couldn.t know 答案 登录 注册 标准答案:C 出自:青书学堂 >> 河南工业大学-学位英语考试辅导课程