-Do you know our town at all? ---No this is the first time I here.A. wasB. have beenC.

问题补充：

---Do you know our town at all? ---No, this is the first time I here.

A. was

B. have been

C. came

D. am coming

答案：

A. was

(答案→)B. have been

C. came

D. am coming

解析：句意：---你竟然知道我们小镇吗？---不知道，这是我第一次来这里。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。