Question

for more than three months

David ( ) Shanghai for more than three months.
A.went to B.has been to
C.has been in D.has gone to
为什么不能选B和D?

Answer 1

has been to 表示去了某地已经回来；has gone to 表示在去某地的途中,而且题干中有时间段for more than three months,故不能选BD.