—I hear Robert has gone to Harvard University for his masters degree.—Oh,how nice!Do you
—I hear Robert has gone to Harvard University for his masters degree.—Oh,how nice!Do you
发布时间：2020-08-15 01:40:29
—I hear Robert has gone to Harvard University for his masters degree. —Oh,how nice!Do you know when he ? A. was leaving B. left C. had left D. has left
网友回答
A. was leaving (答案→)B. left C. had left D. has left 解析：由上下文可知此处when暗含一个过去时间，故应用一般过去时态。