The woman ___ he saw at school was his new teacher
who
The phone ___ we saw belonged to my friend
that (which)
Who is he?
thief
I remember the place ___ we loved to go in the evenings
where
What is it?
footprint
He was a man ___ had a great talent
who
Who is he?
criminal
What is it?
fingerprint
Who is he?
detective
He is ....
witness
These was a house ___ was full of ghosts
which (that)
What happened there?
There was a robbery