问题
选择题
He doesn't know the city very well, because this is the first time he _____ here.
[ ]
A. came
B. has been
C. come
D. am coming
答案
答案：B
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He doesn't know the city very well, because this is the first time he _____ here.
[ ]
A. came
B. has been
C. come
D. am coming
答案：B