问题补充:
--- How many times have you been to China?
--- In fact, it is the first time that I here.
A. was
B. am
C. had been
D. have been
答案:
A. was
B. am
C. had been
(答案→)D. have been
解析:—句意:你来过中国几次?—事实上,这是我第一次来这里。It/ This is the first time that +现在完成时;It/ That was the first time that+过去完成时,这是一个固定句型,表示:这是第几次做某事。