The room in which we took the photo was very dirty.
第二句后半句怎么和第一句一样?弄错啦?
This is the pen with which I wrote the letter
He lived in a big house where a tall tree stood in front of it
I'll never forget the day on which I first met him
The two things which they felt proud of were Jim's gold watch and Della's hair
The man who you spoke to just now is a relative of mine