问题补充：
—Kim, I haven’t seen your mother for so long, where is she?
—Oh, she England to learn further studies(深造). She left a month ago.
A. have been to
B. has gone to
C. has been in
D. have been
答案：
A. have been to
(答案→)B. has gone to
C. has been in
D. have been
解析：have、has gone to表示主语已经离开，要么在去某地的路上或已经到莫某地，本题根据后文的内容. She left a month ago.
Has been to表示主语曾经去过某地，因而选B.
