-Where is Mr Green now ? I haven’t seen him for a few days .
-He to Hong Kong .
A. goes
B. will go
C. is going
D. has gone
网友回答
A. goes
B. will go
C. is going
(答案→)D. has gone
解析：考察时态。句意：格林先生现在在哪儿？我有几天不见他了。——他已经去了香港。根据句意可知下文描述的是现在已经完成的动作，故用现在完成时态。选D。