Our head teacher saw the empty seat next to me and asked ________.

1. A.
   where has Jeff gone
2. B.
   where did Jeff go
3. C.
   where Jeff has been
4. D.
   where Jeff had gone

Our head teacher saw the empty seat next to me and asked         .

A.where has Jeff gone                 B.where did Jeff go

C.where Jeff has been                 D.where Jeff had gone

Our head teacher saw the empty seat next to me and asked_________.

A．where has Jeff gone                       B．where did Jeff go

C．where Jeff has been                      D．where Jeff had gone