Relative Clauses: Defining, Non-Defining & Contact Clauses

The man ___ helped me find my bag was very kind.

That's the restaurant ___ we had our first date.

I read the book ___ you recommended last week.

She has a brother ___ works as a pilot.

Do you remember the year ___ the earthquake happened?

The laptop ___ I bought last month has already broken down.

My colleague, ___ office is next to mine, just got promoted.

The town ___ I grew up has changed a lot.

Is this the woman ___ you were talking about?

The project ___ we worked so hard on was finally approved.

My parents, ___ have lived in the same house for 40 years, are finally moving.

The reason ___ she left so early is still unclear to everyone.

The contract, ___ was signed last Tuesday, takes effect immediately.

The scientist ___ research changed medicine forever died last year.

That was the moment ___ I realised I had made a serious mistake.