Enrique tiene el pasaporte porque va a viajar a otro país y le pedirán que lo enseñe en la aduana.Enrique has his passport because he's traveling to another country and he'll be asked to show it at customs.
Enrique tiene el pasaporte porque va a viajar a otro país. Tiene también el billete de avión.Enrique has his passport because he's travelling to another country. He also has his plane ticket.