SOME NEW WORDS AND EXPRESSIONS

DO YOU UNDERSTAND THESE EXPRESSIONS? The answer will be ‘yes’: But now the question is:
DO YOU USE THEM IN A NATURAL WAY? CAN YOU PRONOUNCE THEM QUICKLY?

Where are you from?
Whereabouts exactly?
Is anyone sitting here?
Are you from San Javier originally?
I’ve no idea where it is.
I’ve been there.
There are lots of places to visit.
Sorry I’m late. I missed my bus.
How long have you known each other?
I’m thinking of going to the cinema later.
I was really tired yesterday and I decided to have an early night.