It’s the second time that I in Beijing. What great changes! It’s years since I
here last time.
A. went; had left
B. had been; left
C. have been; left
D. have; have left
网友回答
A. went; had left
B. had been; left
(答案→)C. have been; left
D. have; have left
解析：考查固定句型中的时态。固定句型：it is/was 序数词 time that sb…这是第几次某人做某事的时候了；如果前面是is，后面使用现在完成时；如果前面是was,后面使用过去完成时；本题前面是is，故使用现在完成时。第二空since后面使用过去时，表示自从过去某个时间到现在。句意：这是我第二次在北京。变化真大啊！自从上次在这里到现在已经有好多年了。故C正确。