Been to or gone to

I've never (a)   to the USA, but I'd love to go!

A: "Where's Steve?''

B: ''Oh, he's (a)   out. He'll be back later.''

A: ''I'm thinking of going to Portugal next year.''

B: ''Oh really? I've (a)   there - it's great!''

Your boss / teacher asks you why you're late.

You say: ''I've just (a)   to the doctor.''

She's (a)   to visit Susan. She'll be home tomorrow.

Have you ever (a)   to New York?

I don't know that restaurant, I've never (a)   there.

She's (a)   to Moscow, she will be back next week.

She's (a)   to India on holiday three times.

A: Where’s Bill?

B: He’s not here today. He’s (a)   to Paris on business.