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。