64.【2019 •黑龙江省齐齐哈尔市】As an exchange student, Alan ________ Qiqihar for one and a half years.
   A. has been to B. has been in C. has gone to
【答案】B
【解析】句意：作为一名交换生，Alan在齐齐哈尔已经有一年半了。A. has been to    去过……；B. has been in呆在某地；C. has gone to去了……，可能在途中，也可能已经到了。根据for one and a half years.可知动词是持续性的。这里用have been in表示呆在某地多长时间了。根据题意，故选B。