题目内容：

--You seem to know much about this city.
--yes.I（ ）here many times.
A.visited B.have visited

优质解答

B many times是表次数的词,表次数的词存在于句中,句子常用现在完成时,表示动作发生在过去对现在造成的影响.也可以这样理know much about this city是由于I（ ）here many times而产生的结果,故选Bvisited是过去时态,...