问题
选择题
—Do you know our city at all?
—Yes, quite well, this is the fourth time I _____ here. [ ]
A. had been
B. have been
C. was
D. am
答案
答案：B
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—Do you know our city at all?
—Yes, quite well, this is the fourth time I _____ here. [ ]
A. had been
B. have been
C. was
D. am
答案：B