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
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。
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