问题补充:
—Do you know our town ?
----No ,this is the first time I here .
A. come
B. am coming
C. came
D. have come
答案:
A. come
B. am coming
C. came
(答案→)D. have come
解析:考查时态:句意:--你知道我们镇吗?--不,这是我第一次到那里。句型:this is the first time+从句,从句的谓语是现在完成时,如果前面是This was the first time+从句,从句的谓语就是过去完成时,选D。