问题补充:
----Do you know our town at all?
----No, this is the first time I here.
A. have come
B. was
C. came
D. am coming
答案:
(答案→)A. have come
B. was
C. came
D. am coming
解析:句意:上文,你知道我们的城镇吗?下文,不,这是我第一次来这里。This is the first time…… 表示某人第几次做某事,后面的句子要用现在完成时;若是This was the first time……,后面的句子要用过去完成时,选A。