问题
选择题
I'm not familiar with this place. It's the first time I _____ here, you know. [ ]
A. am
B. was
C. have been
D. had been
答案
答案：C
搜题请搜索小程序“爱下问搜题”
I'm not familiar with this place. It's the first time I _____ here, you know. [ ]
A. am
B. was
C. have been
D. had been
答案：C