问题
选择题
Where is your mother? She_____________ Shanghai on business for a few days..
A．has been to
B．has gone to
C．went to
D．has been in
答案
答案：D
题目分析：句意：--你的母亲在哪？她要去上海出差几天。根据回答的时间状语for+一段时间可知，谓语用此用持续性的，根据题意可知用完成时，has been to表示去过某地； has gone to表示去某地了可能在途中也可能已经到了； has been in表示呆在某地多长时间；根据句意故选D.