He’ll never forget the days ____ he stayed with his grandmother in the village.

 He’ll never forget the days ____ he stayed with his grandmother in the village.

A．where            B．that              C．which            D．when

He’ll never forget the days ____ he stayed with his grandmother in the village.

1. A.
   where
2. B.
   that
3. C.
   which
4. D.
   when

 He’ll never forget the days ____ he stayed with his grandmother in the village.

A. where               B. that                   C. which               D. when