Complete the conversation. Put in gone or been.
Richard: Hello. Where's Martin?
Angela: He's______ to the supermarket. We need some sugar.
Richard: It's very busy there. I've just_____ there on my way here. Did you know there's a new store outside town? We haven't _____there yet.
Angela: We haven't either. By the way,where's Linda?
Richard: Oh, she is _______ to London. She'll be back tonight.