-Do you know our town at all?-----No this the first time I here.A. was; has comeB.

问题补充：

---- Do you know our town at all?

-----No, this the first time I here.

A. was; has come

B. is; come

C. is; had come

D. is; have come

答案：

A. was; has come

B. is; come

C. is; had come

(答案→)D. is; have come

解析：考查时态。句意：你究竟知道我们的城镇吗？——不，这是我第一次到这儿来。可知主语描述的是现在的状态，故用一般现在时态。从句描述的是现在已完成的动作，故用现在完成时态。故选D。