Conditional sentences. Wishes

If you leave metal out in the rain, it ... rusty.

If he ... more money, would you marry?

If I had nothing to do, I ... .

If my grandfather were still alive, he ... a hundred today.

If he got a new job, ... earn a bit more money.

Providing that you ... careful, you can use dad's car.

... have a lot more friends if you weren't so mean.

If I ... stuck on a deserted island, I should like to be with you.

... be surprised if you heard the news.

If they knew French, ... understand what they were talking about.

If Mark ... younger, he could join the army.

If we were serious about pollution, ... spend more money on research.

Where would you ... if you could live anywhere in the world?

Even if you offer me a lot of money, I ... the painting.

If my paper ... on time today, I'm going to cancel my subscription.

If I had a more reliable car, ... drive to London rather than fly.

If I were him ... a bodyguard.

He would be happier if he ... take things so seriously.

I ... if there were any truth in her story.

If ... no oxygen on the Earth, life wouldn't exist.