He doesn’t know the city very well, because this is the first time he here.A.cam
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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
试题答案
B
考查句型：this/that/it is the first time，第一次做什么事情，跟从句后用现在完成时态。所以选B。