2 Latvia joined EU in 2004, didn't it? 3Undemocratic countries can't join the EU,can they? 4Some EU countries do not use the euro, do they? 5EMU means European Monetary Union, doesn't it? 6There were two major European wars in the twentieth century, weren't there? 7Britain will join the euro in the future,won't it? 8EU passport holders can travel freely in Europe,can't they? 9More than a million EU students have studied abroad since the 1980s,haven't they?