1. Join the sentences using a relative pronoun.
I’ve just failed my driving test. It’s a pity.
His girlfriend is very intelligent. She’s an architect.
They gave us a present. This was a complete surprise.
He was saying something. I didn’t understand it.
A car crashed into mine. It was a mini.
I spoke to a police officer. She was working at the reception desk.
We bought our computer two months ago. It keeps on crashing.
I left some things on the table. They aren’t there any more.
It’s too hot in my flat. This makes it impossible to sleep.

2. I’ve just failed my driving test. It’s a pity.
I’ve just failed my driving test, which is a pity.
His girlfriend is very intelligent. She’s an architect.
His girlfriend, who is an architect, is very intelligent
They gave us a present. This was a complete surprise.
They gave us a present, which was a complete surprise.
He was saying something. I didn’t understand it.
I didn’t understand what he was saying.
A car crashed into mine. It was a mini.
The car that crashed into mine was a mini.
I spoke to a police officer. She was working at the reception desk.
The police officer (that) I spoke to was working at the reception desk.
We bought our computer two months ago. It keeps on crashing.
The computer (that) we bought two months ago keeps on crashing.
Our computer, which we bought two months ago, keeps on crashing.
I left some things on the table. They aren’t there any more.
The things (which) I left on the table aren’t there any more.
It’s too hot in my flat. This makes it impossible to sleep.
It’s too hot in my flat, which makes it impossible to sleep.

3. Rewrite the sentences to make them more informal
The plate from which you’re eating was my grandmother’s.
The company for which I work is an advertising agency.
The man to whom I spoke is the head of my department.
One of the people with whom I work is a part-time model.
The house into which they moved was over a hundred years old.
Her boyfriend is the only person to whom she can turn.

4. Rewrite the sentences to make them more informal
The plate from which you’re eating was my grandmother’s.
The plate you’re eating from was my grandmother’s.
The company for which I work is an advertising agency.
The company I work for is an advertising agency.
The man to whom I spoke is the head of my department.
The man I spoke to is the head of my department.
One of the people with whom I work is a part-time model.
One of the people I work with is a part-time model.
The house into which they moved was over a hundred years old.
The house they moved into was over a hundred years old.
Her boyfriend is the only person to whom she can turn.
Her boyfriend is the only person she can turn to.