【题目】—Do you know our town at all?
—Surely, this is the third time I ________ here.
A. came B. come C. have come D. am coming
在线课程【答案】C
【解析】考查固定句式。句意：——你竟然知道我们小镇吗？——是的，这是我第三次来这里了。根据固定句型It/This is the first/second/third time that + 主语 + has/have been...，此处应选用现在完成时。故选C。