He doesn't know the city very well, beca
题型:选择题
问题:
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
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