问题补充：
Jim to the shop. He’ll be back an hour.
A. has gone; after
B. has been; in
C. has gone; in
D. has been; after
答案：
A. has gone; after
B. has been; in
(答案→)C. has gone; in
D. has been; after
解析：have been to sp，表示曾经去过某地，而have gone to sp,表示已经去了某地，in+一段时间，用于将来时，故选C
