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

问题补充：

I have been to London. I there last month.

A. go

B. went

C. have gone

D. will go

答案：

A. go

(答案→)B. went

C. have gone

D. will go

解析：根据下文时间状语last month上个月，可知下文描述的是过去某时发生的动作，故用一般过去时态。选B。