Question

--- Do you know our town well?
--- No, this is the first time I _______ here.

A．come

B．am coming

C．came

D．have come

Answer 1

D

试题分析：This is the first time + 从句结构，从句用现在完成时，故选D。
点评： It/This is the first time + 从句结构，从句用现在完成时；It/This was the first time + 从句结构,从句用过去完成时。