Fluency? No. But even if English is widely known where you're going, it's always nice and a courtesy to spend a bit of time at least learning the basics: please, thank you, where's the bar, how much do I owe you, etc. There's another thread on here now about Pimsleur tapes/CDs. They're really easy to use and will have you knowing how to ask for directions and things very quickly. The 8-lesson traveler sets are generally at libraries. If you get into it, they have much larger sets that go up to about 90 lessons.