—Do you know our school at all?
—No, this is the first time I here.
A. was
B. have been
C. came
D. am ing
网友回答
A. was
(答案→)B. have been
C. came
D. am ing
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。