问题
选择题
I want to return the book to Jack, but I can’t find him.
He the library . you can find him there.
A has been to B has gone to C has left D went to
答案
答案：B
have gone to sp，表示已经去了某地，表示主语已经去了某地，或者正在去某地的路上，故选答案为B