Work / Do I Need To Speak Polish To Get Around for 5 Weeks in Krakow [23]

I've been in Poland for about 2 months and I don't speak Polish. I'm still at the airport (couldn't make it to the hostel) and about to starve to death. I'm afraid I'll die in a week. So I advice you not to come to Poland and just stay where you are.

And frd I would be happy if you get me a sandwich. I'm at terminal 1.

And anyone, please teach me some Polish so that I can ask for some food.