will vs going to

I ... to the country. Do you think it's a good idea?

She has an exam next week. I'm not sure she ...

One day I ... visit Rome.

Did you know that Mary is in hospital? - Yes, I know. I ... visit her

I ___________to the cinema with John tonight.

He ____________seventeen next week.

I don't know how to use it. Don't panic, I ... you.

Have you heard that Tom ... abroad next month?

This song ... a hit one day.

The sky is dark. It ... a storm.

He is very ambitious. He... famous in future.

We ... to London tomorrow.