It was last night （ ） I see the film.
（A）the time
（B）when
（C）that
（D）which
Was it last summer （ ） you and your friends went to Moscow?
（A）when
（B）how
（C）which
（D）that
I can't find Mr. Smith. Where did you meet him this morning? — It was in the hotel （ ） he stayed.
（A）that
（B）where
（C）which
（D）the one
