填空题 There was a knock at the door. It was the second time someone interrupted me that evening.
【正确答案】
【答案解析】interrupted应改为had interrupted[解析] 考点是句型：It is/was+次数+完成时，意思为“第几次做某事”。由前面的谓语was可知后面应用过去完成时，故D项应改为had interrupted。