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

问题补充：

I have been to Shanghai. I there last month.

A. go

B. went

C. have gone

D. will go

答案：

A. go

B. went

C. have gone

D. will go

解析：考查动词的时态用法。第一句是现在完成时，表示“去过上海”；第二句中用表示过去时间的last month，用一般过去时，表示 “具体去的时间”。故选B。