– Have you ever been to the city before?– No. This is the first time I here.A. wasB. have

问题补充：

– Have you ever been to the city before?

– No. This is the first time I here.

A. was

B. have been

C. come

D. am coming

答案：

A. was

(答案→)B. have been

C. come

D. am coming

解析：考查固定句式中的时态。It /That/This is the...time that sb have done sth；It /That/This was the...time that sb had done sth。结合日常生活实际，能够计算到这是第几次做某事，表明该动作已经发生，因此，要用完成时态——主句用现在时，从句用现在完成时；主句用过去时，从句用过去完成时。句意：—你之前来到这个城市吗？—没有，这是我第一次来这里。因为本句前面使用了is，故B正确。