He doesn’t know the city very well because this is the first time he here.A. cameB. has

问题补充：

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：

A. came

(答案→)B. has been

C. come

D. am coming

解析：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。