I have been to Shanghai. I there last month.A. goB. wentC. has goneD. will go

问题补充：

I have been to Shanghai. I there last month.

A. go

B. went

C. has gone

D. will go

答案：

A. go

(答案→)B. went

C. has gone

D. will go

解析：考查时态。句意：我已经去过上海了。我是上个月去的。last month上个月，last+时间与一般过去时连用，故选B。