The man who/that is marrying Suzanne is very lucky.

Usain Bolt, who was the first man to win six gold Olympic medals in sprinting, is a global superstar

The cinema l most often go to is the Odeon in the town centre.

The moment I realised I wanted to be an actor was the most important moment of my life.

You're the person who we always turn to when a speech is needed./ You're the person to whom we always turn when a speech is needed

Pablo Picasso, whose father was also an artist, spent his early childhood in Malaga.

He was an athlete for / to whom success came as naturally as his speed

It was the house which I spent my childhood in./ It was the house in which I spent my childhood.

The house where I used to live burnt down yesterday./ The house I used to live in burnt down yesterday.

She's definitely the woman with whom he wants to spend the rest of his life. / She's definitely the woman who he wants to spend the rest of his life with

This is the sort of occasion when you should make a speech.

Funnily enough, it was the planning which we spent the most time on. / Funnily enough, it was the planning on which we spent the most time

It was a lesson which I'll always be grateful for./ It was a lesson for which I'll always be grateful.