问题
选择题
− Do you know the most ancient city in China ─ Xi’an well?
− No, this is the first time I ___________ here.
A．came
B．have come
C．am coming
D．come
答案
答案：B
考查固定句型。This/It is the first time +从句从句中应用现在完成时。故答案为B。