问题
选择题
---- 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
答案：D
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。