I know a man _______ can touch the tip of his nose with the tip of his tongue.
who
Do you see the cat which is lying on the roof?
which is lying on the roof
This is the man who
broke the window
Do you know the woman _____husband won the lottery?
whose
Do you know the boy whose mother is a nurse?
whose mother is a nurse
She knew the family
whose house we bought
Was Michael jordán the basketball player ______ was able to score 100 points in an NBA game?
who
I was invited by the professor whom I met at the conference.
whom I met at the conference
They found the lady whom
they wanted to inverview
I am unemployed so I'm living at my parents' house _____ is an annoying situation.
which
The woman who lives next door works in a bank.
who lives next door
My precious blue lamp, which ...... , was broken
which was in my room
He saw the faces of those _____ he loved at his birthday celebration.
whom
These are the flights that have been cancelled.
that have been cancelled
The lamp that .... was broken
was in the room