A dentist is a person ________ pulls your tooth out.
This is the chair. My parents gave it to me.
This is the chair that my parents gave to me.
He's the person. He wanted to buy your house.
He's the person who wanted to buy your house.
This is the bottle of coke _______ I bought this morning.
which/that
This is the woman. She gave me my first job.
This is the woman who gave me my first job.
This is the lion. It's been ill recently.
This is the lion that's been ill recently.
I don’t like stories ________ have unhappy endings
We're looking for the ball. We were playing with it.
We're looking for the ball that we were playing with.
They sold the cat. It was afraid of mice.
They sold the cat that was afraid of mice.
Last week, I saw a guy _______ sister used to date me.
whose
That's the woman. I was telling you about her.
That's the woman who I was telling you about.
He picked up the book. It was on the desk.
He picked up the book that was on the desk.
The shop ________ we usually buy food is closed today.
where
Ann took some photographs. They are lively.
Ann took some photographs which are lively.
This is the bottle of Coke. I bought the bottle this morning.
This is the bottle of Coke which I bought this morning.