East Timor, Saudi Arabia/Bahrain - Passport Island (not sure if that's official or not), USA/Cuba, Cyprus/Turkey or Northern Cyprus (not universally recognized)
Russia should be swapped for Romania, also the quiz is missing many more obvious answers like Papua New Guinea, East Timor, Bahrain, Saudi Arabia, Denmark and Canada.
http://en.wikipedia.org/wiki/Novaya_Zemlya
Or is it another island?