Have you read today's paper?
I haven't seen one yet.Do you know him?

  2... We have met somewhere.

  3... Does he know Spanish?

  4... That I don't know.

Let's buy one.
There is a newsstand over there on the corner.

¿Has leído el periódico de hoy?
No he visto hasta ahora.
Vamos a comprar una.
Hay un puesto de periódicos de allá en la esquina.