问题补充:
—Do you know our school at all?
—No, this is the first time I here.
A. was
B. have been
C. came
D. am coming
答案:
A. was
(答案→)B. have been
C. came
D. am coming
解析:B 考察固定搭配。句意:—你了解我们学校吗?—不了解,这是我第一次来这儿。It is the first time + have done是固定句式,意为:某人第一次做…;故B正确。如果前面句中是was,后面要使用过去完成时。