Question

—It is the first time that I ________ here in Hong Kong.
—What great changes！It’s ten years since I ________here last time.

A．have been；came	B．have been；have come
C．am；came	D．was；have been

Answer 1

A

考查时态。It is the first time that从句用现在完成时；第二空根据时间状语last time可知，用一般过去时，选A。